Can I reject one bad installment in an installment contract?

Under the UCC, you can reject a non-conforming installment only if the defect substantially impairs its value and cannot be cured by the seller. Minor defects do not justify rejection.

When can I cancel an entire installment contract?

You can cancel the whole contract only if a non-conforming installment substantially impairs the value of the entire contract, not just the individual delivery.

Installment Contracts: Delivery and Payment Over Time

Q: What is an installment contract?

An installment contract requires delivery of goods or services in separate lots or stages over time, with each installment separately accepted, rather than a single complete delivery.

What Is an Installment Contract?

An installment contract is an agreement that requires or authorizes delivery of goods or performance of services in separate lots or stages, with each installment to be separately accepted (and often separately paid for). Rather than a single delivery and single payment, the contract unfolds over multiple deliveries.

How They Work

A typical installment contract specifies:

The total quantity or scope of work
The number and schedule of installments
The quantity or scope of each delivery
Payment terms for each installment (payment on delivery, net 30, etc.)
Acceptance criteria for each installment

Special Rules Under the UCC

The Uniform Commercial Code (UCC Section 2-612) provides special rules for installment contracts that differ from the standard "perfect tender rule":

Single installment defect — the buyer can reject a non-conforming installment only if the defect "substantially impairs" the value of that installment and cannot be cured
Whole contract breach — the buyer can cancel the entire contract only if a non-conforming installment "substantially impairs the value of the whole contract"
Cure opportunity — the seller has the right to cure (fix) non-conforming installments if they give adequate assurance

Why This Matters

The installment contract framework is more forgiving to the seller than the standard perfect tender rule. A buyer cannot reject an entire shipment over a minor defect — they must show substantial impairment.

Common Issues

Disagreements over whether a defect substantially impairs value
Ambiguity about whether a contract is actually an installment contract
Late deliveries on individual installments and their impact on future installments

When to Consult a Lawyer

Consider consulting an attorney if you are receiving non-conforming installments and need to understand your rights to reject specific deliveries or cancel the entire contract.

This article is for informational purposes only and does not constitute legal advice. Consult a licensed attorney for guidance specific to your situation.