UCC Article 9 Protection for Factoring Banks and Commercial Lenders
Attorney-backed perfection, priority defense, and interpleader recovery for lenders who advance against construction receivables, so a secured position on paper becomes actual dollars collected.
Factoring banks and commercial lenders that advance against construction receivables take on a unique risk profile. The collateral, unpaid accounts generated on underground utility, fiber optic, telecommunications, and infrastructure projects, sits behind mechanic's lien statutes, preliminary notice regimes, payment bond rights, and competing secured filings in every state a project touches. When the borrower fails, the lender's perfected UCC Article 9 security interest is only worth what the documents, the timing, and the enforcement strategy make it worth.
National Lien & Bond works as outside counsel to factors, asset-based lenders, and commercial banks whose construction borrowers go into default. We review the factoring and security documents, confirm the UCC-1 perfection chain, press priority arguments against competing claimants, and defend the lender's stake when a project owner files federal interpleader. The goal is simple: convert a perfected security interest on paper into actual dollars in the lender's account.
Common Challenges
Key payment and compliance challenges faced by uniform commercial code transactions contractors and suppliers.
Competing secured creditors with later UCC-1 filings
Equipment lessors, subordinate lenders, and representative agents for successor lenders all file UCC-1s against the same borrower. Priority turns on first-in-time perfection under UCC § 9-322, but only if the lender's filing is continuous, properly described, and re-certified with timely continuation statements.
Subcontractor demand for project funds the lender is counting on
When the borrower is a general or sub, unpaid project subs and material suppliers will demand payment directly from the project owner and assert equitable or trust-fund theories over the same receivables the lender has factored. Most of those claims lose to a first-perfected security interest, but only when the lender actually appears and asserts its position.
Project owner interpleader under 28 U.S.C. § 1335
When a project owner receives conflicting demands from a lender, competing secured creditors, and unpaid subs, the owner typically files federal interpleader and deposits the funds with the court. The lender's job is to appear, claim the res, and move for summary judgment on priority before other claimants extract a settlement discount.
After-acquired collateral timing and new-value advances
Factored accounts are created continuously as the borrower performs work. UCC Article 9 perfects after-acquired accounts from the original UCC-1 filing date, but only if the collateral description is broad enough and the account was generated while the filing was still active and continuous.
Personal guarantor collection after liquidation
When the corporate borrower dissolves, the bank's only path to the deficiency is often the individual principals' guarantees. Enforcement requires separate judgment actions, post-judgment discovery, and frequently defense of guarantor counterclaims alleging bad-faith default declarations.
Project owner backcharges and offsets that shrink the purchased receivable
Under UCC § 9-404(a), a factor takes the assigned receivable subject to the account debtor's defenses, claims in recoupment, and offsets that arise from the underlying contract or that accrue before notice of assignment. A perfected first-priority UCC-1 does not stop a project owner from reducing the invoice with backcharges for defective work, unapproved change orders, delay damages, punch-list offsets, or warranty setoffs against the general contractor. The receivable shrinks at the account-debtor level, dollar for dollar, before priority against other creditors is ever reached.
How National Lien & Bond Helps
Comprehensive attorney-backed services tailored for the uniform commercial code transactions industry.
Factoring and Security Agreement review
We audit the factoring and security documents, flag collateral description gaps, confirm the debtor's legal name matches the UCC-1, and prepare corrective filings before a priority fight happens.
UCC-1 filing, continuation, and correction
We handle initial UCC-1 filings with the correct secretary of state, monitor the five-year continuation deadlines, and prepare UCC-3 amendments to capture name changes, collateral expansions, and successor lenders without losing the original filing date.
Default notice, demand, and acceleration
When a borrower goes into default, we draft the Notice of Default and Demand for Payment, serve the account debtors with Notification of Assignment under UCC § 9-406, and issue acceleration letters that preserve every enforcement right.
Interpleader defense and priority summary judgment
When the project owner interpleads the funds, we answer the crossclaim, assert the lender's priority position, and move for summary judgment under UCC § 9-322(a)(1) and federal priority doctrine so the lender recovers instead of settling for a pro-rata share.
Guarantor enforcement and judgment collection
We prosecute guaranty actions against the individual principals, obtain judgment, and pursue post-judgment discovery, garnishment, and asset investigation to collect the deficiency after collateral is exhausted.
Multi-state UCC and lien coordination
When the borrower operates across state lines, we coordinate UCC filings, mechanic's lien monitoring, and bond claim rights across every jurisdiction to prevent a gap between the lender's security interest and state-specific lien cutoffs.
Case Study: Defending a Factor's Priority When a Telecom Underground Contractor Failed
Anonymized facts from an active federal matter. Names, dollar figures, and jurisdictions have been changed.
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The relationship
Midwest Bank and Apex Underground Contractors, Inc. entered a Factoring and Security Agreement in November 2022. Apex was a regional underground telecommunications subcontractor handling fiber optic and conduit work for project owners across several states. Under the agreement, Midwest Bank purchased Apex's receivables for cash, taking a continuing first-priority security interest in all present and after-acquired accounts, chattel paper, deposit accounts, inventory, equipment, instruments, general intangibles, and proceeds.
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Perfection before the ink dried
Midwest Bank filed its UCC-1 Financing Statement with the secretary of state six days before the Factoring and Security Agreement was signed. The collateral description tracked the agreement and expressly covered all purchased accounts, all accounts and contract rights then owned or later acquired, and a security interest in all assets of the debtor.
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The default
In spring 2025 Apex stopped performing. Midwest Bank issued a Notice of Default and Demand for Payment for the outstanding balance of roughly $332,000 to Apex's officers and personal guarantors. Apex ultimately ceased operations and the corporate entity was wound down. A field investigation revealed the problem: Apex had no meaningful real property, no substantial equipment base, no operating cash, and negligible receivables still outstanding. Its only asset of any real value was a warehouse of unopened project inventory, fiber conduit, reels, and specialty underground components, that had been staged for ongoing work on NorthStar Communications projects.
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Why the inventory was the whole ballgame
Without a buyer for that staged inventory, Midwest Bank would have collected pennies on the dollar. Liquidating unopened telecom inventory on the open market is brutal. The stock is specialty-grade, the buyer pool is narrow, and a distressed-sale discount can easily hit 60 to 80 percent. The only economically rational buyer was NorthStar itself, the project owner the inventory had been staged for. Our team engaged NorthStar's general counsel to structure a negotiated purchase of the unopened stock at audited invoice value rather than liquidation value.
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Structuring the inventory sale
Over several weeks we worked with NorthStar's legal team to audit the inventory list, verify SKU pricing against the original supplier invoices, and structure the sale so the proceeds would flow in a way that protected the bank's UCC position. NorthStar ultimately purchased the unopened inventory for roughly $290,000, which it then interpleaded with the court when competing subcontractor demands surfaced. That $290,000 stake would not exist at all without the negotiated sale we helped arrange.
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The project owner caught in the middle
Once NorthStar agreed to purchase the inventory, the project owner started receiving direct payment demands from Apex's unpaid subcontractors: a materials supplier, a fiber specialist, and a regional communications subcontractor, all asserting trust-fund and equitable claims against the same funds Midwest Bank had already secured under its UCC-1.
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The backcharge assault that threatened to zero out the receivable
Before NorthStar interpleaded the funds, its project-management team asserted backcharges and offsets against Apex that, on paper, exceeded the entire receivable owed. NorthStar tallied claims for punch-list defects, missed milestone dates with liquidated damages, corrective trenching, and supplier chargebacks at a number larger than the $290,000 inventory-sale balance. Under UCC § 9-404(a), those claims, if valid, would have passed straight through to Midwest Bank as the assignee and reduced the receivable to zero regardless of priority. The priority fight meant nothing if the underlying account debtor owed nothing. We countered by auditing the backcharge ledger against the fiber and supplier contracts and showing that most line items were unapproved change-order estimates or double-counts rather than contractual backcharges, leaning on NorthStar project-manager sign-offs on earlier invoices that had approved the work and disclaimed offsets, and invoking UCC § 9-404(a)(2) to cut off every offset that accrued after Midwest Bank's § 9-406 Notification of Assignment reached NorthStar. The bulk of the backcharges were withdrawn and the disputed balance went into the interpleader for the court to distribute.
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The interpleader
NorthStar filed a federal interpleader action under 28 U.S.C. § 1335, naming Midwest Bank plus a thicket of competing claimants: a representative agent for an earlier UCC-1 filer, a successor-lender service company, a junior community bank with its own financing statement, an equipment leasing company with a specific-collateral UCC-1, and the three unpaid subcontractors. NorthStar deposited the inventory proceeds with the court and asked the court to adjudicate priority.
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The UCC priority argument
Midwest Bank moved for summary judgment on priority. The argument: under UCC § 9-322(a)(1), the first security interest to be perfected has priority over every later-perfected interest and every unsecured claim. Midwest Bank's filing preceded every other secured claimant by years and preceded the subcontractors' project work entirely. Perfection extended automatically to the after-acquired inventory and its identifiable cash proceeds under UCC § 9-315, which captures proceeds of collateral when the security interest in the original collateral is perfected.
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The result
The court agreed. The interpleaded inventory-sale proceeds were ordered distributed to Midwest Bank as the senior perfected secured creditor. Midwest Bank then continued parallel guaranty actions against Apex's principals for the deficiency.
What made the difference: Five things made the difference: the UCC-1 was filed before the security agreement was executed, locking in the earliest possible perfection date; the collateral description was broad enough to reach after-acquired inventory and its cash proceeds under UCC § 9-315; we proactively engineered the project-owner inventory sale that created the res in the first place (without that sale there was almost nothing left to fight over); we neutralized a backcharge and offset assault under UCC § 9-404(a) that would otherwise have swallowed the entire receivable, using contract audit, prior project-manager invoice approvals, and the cutoff effect of the § 9-406 Notification of Assignment; and the bank showed up in the interpleader action with a summary judgment motion instead of accepting a pro-rata share.
The Documents Behind a Factoring Relationship
The documents below are the full paper trail of a typical construction-receivables factoring arrangement. A missing, mis-worded, or mistimed version of any one of these is where lenders lose priority fights.
Factoring and Security Agreement
The master contract between the lender and the seller-borrower. Defines Obligations, Collateral, purchase mechanics, reserves, verification rights, and default remedies.
UCC-1 Financing Statement
Public filing with the secretary of state that perfects the lender's security interest in the collateral described. Best practice: file before the security agreement is signed.
Schedule of Purchased Accounts
Attached to the agreement and updated every time the lender buys a batch of invoices. Identifies the specific accounts sold and the advance rate paid.
Notification of Assignment
Written notice sent to the borrower's customers under UCC § 9-406 directing them to pay the lender directly. Essential the moment the borrower stops performing.
Continuing Personal Guaranty
Signed by the principals of the borrower. The lender's fallback when the corporate borrower dissolves and collateral is insufficient to cover the debt.
Verification and Confirmation Letter
Periodic confirmation from the account debtor that the invoiced work was performed and the stated balance is owed, the first defense against inflated or fictitious receivables.
Reserve Account Agreement
Governs the lender's reserve holdback on purchased accounts, setoff rights, and release triggers when chargebacks or disputes arise.
Notice of Default and Demand for Payment
The written demand that accelerates the debt, starts the clock on enforcement, and preserves contract remedies against the borrower and guarantors.
UCC-3 Continuation Statement
Filed every five years to keep the UCC-1 perfection alive. A lapsed UCC-1 is a catastrophic priority loss.
UCC-3 Amendment or Assignment
Used to capture name changes, mergers, successor lenders, and collateral expansions without losing the original filing date.
Key Statutes and Doctrine
- UCC Article 9, Secured Transactions (adopted in all 50 states)
- UCC § 9-203, Attachment requirements: agreement, value, and rights in the collateral
- UCC §§ 9-301 through 9-316, Perfection of security interests
- UCC § 9-315, Continuation of security interest in proceeds of collateral
- UCC § 9-322(a)(1), First-in-time, first-in-right priority rule
- UCC § 9-403, Agreement not to assert defenses against assignee (waiver-of-defenses clause)
- UCC § 9-404(a), Assignee's rights subject to account debtor's defenses, claims in recoupment, and offsets that arise from the contract or accrue before notice of assignment
- UCC § 9-406, Account debtor notification and assignment rights
- UCC § 9-607, Secured party's collection and enforcement rights after default
- 28 U.S.C. § 1335, Federal statutory interpleader jurisdiction
- Federal Rule of Civil Procedure 22, Rule interpleader
- State UCC Article 9 counterparts (for example, Mo. Rev. Stat. § 400.9, Ill. 810 ILCS 5/9)
The Proactive Protection Playbook for UCC Lenders
A perfected UCC-1 is the floor, not the ceiling. When a factor or asset-based lender advances against construction receivables, the borrower's collateral is traveling through mechanic's lien statutes, preliminary notice regimes, and payment bond rights in every state it operates. The lenders who collect full value when a borrower fails are the ones who treat those construction-industry rights as part of their collateral management program, not an afterthought. Six proactive moves, most of them routine, dramatically increase recovery when things go sideways.
File preliminary notices on the borrower's behalf, or require the borrower to file them
Preliminary notices and notices to owner, required by statute in roughly two-thirds of states, are the gateway to mechanic's lien rights on the borrower's receivables. When a factor funds a construction contractor, the factored accounts are more valuable collateral if they carry attached lien rights. Require the borrower, as a covenant in the factoring agreement, to file preliminary notices on every new project within each state's statutory window, and keep copies in the loan file. Better still, retain counsel to monitor and file the notices as part of the compliance package.
50-state preliminary notice deadlinesPerfect the assignment of the borrower's lien and bond rights
A properly drafted Factoring and Security Agreement does not just purchase the receivable, it assigns the mechanic's lien and payment bond rights that travel with the receivable. When a construction receivable comes with an unfiled but available lien right, the lender as assignee can step into the subcontractor's shoes and file the lien in its own name, or in the borrower's name for the lender's benefit, when the underlying account goes unpaid by the project owner. That converts an unsecured account into a secured claim against real property.
Notice to Owner vs. Preliminary NoticeFile the mechanic's lien within the statutory window, do not wait for the interpleader
Every state sets an absolute deadline for filing a mechanic's lien after the last day of furnishing, ranging from 60 days to 6 months. When a borrower goes into default, the lender often has only a few weeks of that statutory window remaining. A filed lien converts the lender's UCC interest into a recorded, publicly notorious claim against the project property, and it creates the leverage that forces the project owner to interplead or settle. Missed lien deadlines are unrecoverable.
Missed a lien deadline? Options remainFile a Miller Act or state bond claim on every bonded job the borrower works
If any of the borrower's projects are public, bonded, or federal, there is a payment bond standing behind the project that is often overlooked by the lender and by the subcontractor itself. Under the federal Miller Act (40 U.S.C. §§ 3131–3134) and every state's Little Miller Act counterpart, the factor, as assignee of the receivable, can prosecute a bond claim directly against the surety for unpaid amounts. The bond is another layer of collateral the lender paid for by funding the borrower in the first place.
Federal Miller Act bond claimsSend UCC § 9-406 Notifications of Assignment the day the borrower wobbles
A Notification of Assignment under UCC § 9-406 redirects every dollar the account debtor owes the borrower straight to the lender. Sent proactively the moment a borrower misses a covenant, a payroll, or a debt service payment, those notices route incoming payments away from the failing borrower and into a controlled account before the money can dissipate. Paired with mechanic's liens and bond claims on the same receivables, a § 9-406 notice gives the lender three independent collection paths against a single stream of income.
Construction debt collection processStress-test the UCC-1 filing package twice a year
Lapsed continuations, stale collateral descriptions, mismatched debtor names, and unfiled UCC-3 amendments are the top reasons factors lose priority fights they should win. A semi-annual audit that pulls the UCC-1 from every secretary of state where the borrower operates, compares the collateral description to the current factoring agreement, and tests the debtor's legal name against the filing catches problems before they become litigation. A five-minute corrective UCC-3 is free insurance against a million-dollar priority loss.
Construction payment best practicesKill backcharges and offsets at the invoice level with approval and waiver language
UCC § 9-404(a) hands the account debtor every defense, claim in recoupment, and offset it has against the assignor as a defense against the factor. The fix is to squeeze those defenses out of the transaction before the factor ever buys the invoice. Each purchased invoice should carry on its face a representation that the work has been performed and approved, that no backcharges, offsets, setoffs, or claims in recoupment are asserted or known, and, wherever possible, a signed acknowledgment from the account debtor (project owner or general contractor) confirming approval of the invoiced amount. Pair that with a UCC § 9-403 waiver-of-defenses clause in the underlying contract or in a separate estoppel letter so the account debtor agrees, subject to § 9-403's limitations, not to assert defenses or claims against the assignee. Then send the Notification of Assignment under UCC § 9-406 immediately, which stops the clock on new post-notice offsets and locks the account debtor into paying the factor directly.
Construction debt collection processNational Lien & Bond operates this entire playbook as a retained service for factors, commercial banks, and asset-based lenders with construction exposure. We handle the preliminary notice program, the lien filings, the Miller Act and Little Miller Act bond claims, the § 9-406 notifications, and the semi-annual UCC audit, and we litigate the priority fight if a borrower defaults. The lenders we work with collect dollars instead of settling for cents.
Frequently Asked Questions
How does construction receivables factoring differ from a traditional commercial loan?
In a traditional loan the lender takes a security interest in the borrower's assets and waits for repayment. In a factoring relationship the lender actually purchases the borrower's accounts receivable at a discount, advances cash on the purchase, and takes collection rights directly from the account debtors. The factor is not just a creditor, it owns the receivable, with notification rights under UCC § 9-406 that let it bypass the seller entirely when the seller fails.
Why file a UCC-1 before the security agreement is signed?
Perfection priority under UCC § 9-322 turns on the earliest of the filing date or the date all three attachment requirements are satisfied. Filing the UCC-1 first locks in the earliest possible date. Assuming the security agreement is signed shortly afterward and value is given, the perfection relates back to the filing date and beats every subsequent filer.
Does a perfected UCC security interest beat a subcontractor's unpaid-bill claim?
Against the project owner's funds, yes in most circumstances. A perfected UCC-1 in the borrower's accounts receivable generally trumps a subcontractor's unsecured claim against the same funds, because the sub has no security interest in the account itself, only an unsecured payment claim against the borrower (which may separately be secured by a mechanic's lien on the property). The analysis is fact-specific and depends on whether the sub has filed its own lien, whether state law creates a trust fund, and how the project funds are traced.
What is interpleader and why should a lender usually welcome it?
Interpleader is a federal court procedure that lets a stakeholder, usually the project owner, deposit disputed funds with the court and force all claimants to litigate priority in a single forum. For a first-perfected lender it is usually good news: the lender can file one summary judgment motion on priority instead of defending separate lawsuits against every claimant, and the deposited funds are safe from dissipation while the court sorts it out.
How does perfection work for after-acquired accounts receivable?
Under UCC § 9-204 and case law in most jurisdictions, a UCC-1 that describes collateral broadly enough (for example, 'all accounts now owned or hereafter acquired') automatically perfects the lender's interest in each new account the moment the borrower earns it, without a new filing. The perfection date relates back to the original UCC-1 filing date for priority purposes.
What happens if the borrower files bankruptcy?
A properly perfected UCC security interest generally survives bankruptcy. The secured lender is entitled to adequate protection, can seek relief from the automatic stay to pursue collateral, and is paid from the proceeds of the collateral before unsecured creditors. The key exception is a preferential transfer claim under 11 U.S.C. § 547, which is another reason timely and continuous UCC-1 filing matters.
What should a lender do the moment it learns a construction borrower is failing?
Four things, in order: send the Notification of Assignment to every known account debtor under UCC § 9-406 so future payments route to the lender; issue the Notice of Default and Demand for Payment to the borrower and every guarantor; run a UCC search in every state the borrower operates to identify competing filers before they escalate; and engage counsel to evaluate whether to move preemptively on collateral or wait for the project owner to file interpleader.
Can a factoring bank file a mechanic's lien in its own name?
Yes, in most states. When the factoring agreement assigns the borrower's lien rights to the factor along with the underlying receivable, the factor steps into the subcontractor's shoes under general assignment law and can file the lien in its own name, or in the borrower's name for the lender's benefit. Some states require specific assignment language or a recorded notice of assignment. National Lien & Bond reviews each factoring agreement against the target state's lien statute to confirm standing before filing.
Do lenders need to send preliminary notices or notices to owner themselves?
Usually the borrower is the one legally required to send preliminary notices, but a sophisticated factor will either require the borrower to send them as a covenant in the factoring agreement, or take over the notice program directly. Either way, when the notices go out on time the underlying receivables carry mechanic's lien rights, which dramatically raises their collateral value. When the notices don't go out on time, the lien right is dead and the account reverts to an unsecured IOU.
How does a UCC lender make a claim on a Miller Act payment bond?
When a borrower performs work on a federal construction project over $150,000, a Miller Act payment bond protects subcontractors and suppliers. As the assignee of the borrower's receivable, a factor or lender can step into the subcontractor's shoes and file a Miller Act claim against the surety within 90 days of last furnishing and must file suit within one year. The same structure applies under every state's Little Miller Act for state public works. Bond claims run in parallel with UCC collection rights, not as a substitute.
What are UCC § 9-607 collection rights and why do they matter for lenders?
UCC § 9-607 gives a secured party, after default, direct statutory authority to notify account debtors under § 9-406, take possession of collateral proceeds, collect and enforce obligations owed to the debtor, and apply the proceeds to the secured debt. In practice this means a factor whose borrower has defaulted can, without a court order, redirect customer payments, deposit receipts in its own controlled account, and demand payment directly from account debtors. Pair § 9-607 with preliminary-notice-backed mechanic's liens and bond claims and the lender has four independent collection mechanisms against the same receivable stream.
What is a proactive compliance program and how much does it cost relative to the downside?
A proactive compliance program for a UCC lender with construction exposure typically includes: a preliminary notice service on every project the borrower starts, automated UCC-1 monitoring and semi-annual audits in every state of operation, standing authority to file mechanic's liens on unpaid accounts, Miller Act and state bond claim monitoring for bonded projects, and a pre-drafted default playbook with § 9-406 notices, demand letters, and guaranty enforcement. The annualized cost is a small fraction of one priority-loss recovery. National Lien & Bond operates these programs for factors and commercial lenders on fixed retainer with volume-based pricing.
Are inventory and equipment collateral worth protecting, or only receivables?
Yes, emphatically. When a construction borrower fails, the only assets often left are staged inventory and vehicles or equipment in the field. Unopened project-specific inventory can be worth far more to the project owner who originally requisitioned it than to a third-party liquidator, sometimes 3 to 5 times more. A lender with a well-drafted security interest that covers inventory, equipment, and proceeds under UCC § 9-315 can negotiate a project-owner inventory buyback that converts otherwise illiquid stock into a cash recovery, which is exactly what we help lenders structure when a borrower winds down.
How do project owner backcharges and offsets against the general contractor affect a factor's purchased receivable?
They reduce the receivable the factor paid to acquire, sometimes to zero. Under UCC § 9-404(a), the rights of an assignee are subject to (1) all terms of the agreement between the account debtor and the assignor and any defense or claim in recoupment arising from the transaction that gave rise to the contract, and (2) any other defense or claim of the account debtor against the assignor that accrues before the account debtor receives notification of the assignment authenticated by the assignor or assignee. In practical terms, if the project owner asserts backcharges, unapproved change orders, delay damages, punch-list offsets, or warranty setoffs against the general contractor, those claims reduce what the owner owes on the factored invoice dollar for dollar. A perfected UCC-1 does not insulate the factor from a shrunken receivable, because the defenses operate at the account-debtor level and extinguish part or all of the asset the factor paid for before any priority fight against other creditors even begins.
How can a factor prevent UCC § 9-404(a) defenses from eroding purchased invoices?
Three layers of paper, applied before and at the moment of purchase. First, every invoice purchased by the factor should carry a representation on its face that the work has been performed and approved, and that no backcharges, offsets, setoffs, or claims in recoupment are asserted or known. Second, obtain a signed acknowledgment or estoppel letter from the account debtor (the project owner or general contractor) confirming approval of the invoiced amount and waiving any unasserted defenses against that specific invoice, ideally delivered to the factor at or before the time of purchase. Third, include a UCC § 9-403 waiver-of-defenses clause in the underlying contract or in a standalone acknowledgment so the account debtor agrees, subject to § 9-403's statutory limits, not to assert defenses or claims against the assignee. Then serve the Notification of Assignment under UCC § 9-406 immediately, which cuts off § 9-404(a)(2) offsets and defenses that would otherwise accrue after notice. The combination neutralizes the defenses that arise from the contract under § 9-404(a)(1) and blocks the ones that would accrue later under § 9-404(a)(2).
