CPA REGULATION (REG) • BUSINESS LAW

Rights/Obligations Of Buyers And Sellers — Determine Rights And Obligations Of Buyers And Sellers

Master the UCC Article 2 framework governing buyer and seller rights, obligations, and remedies in the sale of goods.

Historical Context & Motivation

Commercial transactions have always required a stable legal framework to allocate risk, define performance, and provide remedies when deals go awry. Before the twentieth century, the law governing the sale of goods in the United States was a patchwork of state common-law doctrines and scattered statutory provisions, creating uncertainty for merchants who conducted business across state lines. The need for uniform commercial law became increasingly urgent as the national economy industrialized, supply chains lengthened, and parties to a single transaction might reside in different jurisdictions with contradictory rules. This pressure ultimately produced the Uniform Commercial Code (UCC), which standardized the rights and obligations of buyers and sellers in a manner that remains central to CPA REG exam coverage today.

1896
Uniform Sales Act Drafted
The National Conference of Commissioners on Uniform State Laws drafted the Uniform Sales Act, the first major attempt to harmonize sales law across U.S. jurisdictions. Though eventually adopted by roughly 30 states, its coverage was incomplete.
1952
UCC Article 2 Published
Karl Llewellyn led the drafting of the Uniform Commercial Code, with Article 2 specifically governing the sale of goods. Article 2 replaced the Uniform Sales Act and introduced concepts like the perfect tender rule, risk of loss, and expanded warranty protections.
1960s
Widespread State Adoption
By the mid-1960s, all 50 states (except Louisiana, which adopted parts) enacted versions of the UCC. Article 2 became the de facto national sales law, providing a coherent set of buyer and seller rights and obligations.
2003
Proposed Amendments to Article 2
The American Law Institute and NCCUSL proposed significant revisions to Article 2 to address electronic commerce and modern commercial practices. Although no state adopted these amendments, they reflect ongoing efforts to modernize sales law.
Present
CPA REG Exam Coverage
The AICPA continues to test UCC Article 2 concepts extensively on the REG section, focusing on formation, performance, breach, and remedies as they relate to buyer and seller rights and obligations.

Against this backdrop, the central questions remain: When does title to goods pass from seller to buyer? What standard of performance must a seller meet? What remedies does each party enjoy when the other breaches? Understanding how UCC Article 2 answers these questions is essential for both CPA candidates and finance professionals who negotiate purchase agreements, evaluate contractual risk, and advise on commercial disputes.

Core Principles & Definitions

UCC Article 2 applies specifically to transactions involving the sale of goods — tangible, movable personal property at the time of identification to the contract. It does not govern the sale of services, real estate, or intangible assets (though mixed contracts may invoke Article 2 under the predominant purpose test). The Code establishes a framework that balances freedom of contract with default rules that fill gaps when the parties have not addressed a particular issue. Several foundational principles underpin the buyer-seller relationship.

1

Perfect Tender Rule (§2-601)

The seller must deliver goods that conform to the contract in every respect. If the goods or the tender of delivery fail in any way to conform, the buyer may reject the whole, accept the whole, or accept any commercial unit and reject the rest.
2

Seller's Right to Cure (§2-508)

When a buyer rightfully rejects a non-conforming tender, the seller may cure the defect by delivering conforming goods if the time for performance has not yet expired, or if the seller had reasonable grounds to believe the tender would be acceptable.
3

Risk of Loss (§§2-509, 2-510)

Risk of loss determines which party bears the financial burden if goods are damaged or destroyed. The allocation depends on whether the contract is a shipment contract, a destination contract, or involves a bailee, and whether either party has breached.
4

Warranties (§§2-312 to 2-318)

Sellers provide express warranties through affirmations of fact, and implied warranties of merchantability and fitness for a particular purpose arise by operation of law. These warranties create enforceable obligations on the seller and corresponding rights for the buyer.
5

Good Faith & Unconscionability

Every contract under the UCC imposes an obligation of good faith (§1-304). Courts may also refuse to enforce unconscionable contract terms (§2-302), protecting buyers and sellers from oppressive provisions.
KEY TAKEAWAY
Think of UCC Article 2 as the "operating system" for commercial sales — just as an operating system provides default settings that users can customize, Article 2 provides default rules (risk of loss, warranties, remedies) that parties can modify through their agreement, but that govern automatically if the contract is silent. The perfect tender rule is the baseline standard, but the seller's right to cure and the doctrine of substantial performance in installment contracts soften its rigidity in practice.

Visual Explanation — Buyer & Seller Obligation Flow

This flowchart traces the lifecycle of a UCC Article 2 sales contract from formation through inspection, acceptance or rejection, and the divergent paths of conforming and non-conforming tenders. The seller's right to cure (dashed arrow) creates a loop back to the tender stage, while the buyer's remedies branch encompasses cover, market-price damages, and in rare cases, specific performance.

The diagram above illustrates the sequential nature of obligations under a typical sales contract. The seller's primary obligation is to tender delivery of conforming goods, which triggers the buyer's duty to inspect and either accept or reject. When goods conform, the buyer must pay the contract price and title passes. When goods do not conform, the perfect tender rule gives the buyer broad rejection rights, though the seller retains the ability to cure defects under §2-508. Understanding this interplay — tender, inspection, acceptance or rejection, cure, and remedies — is critical for analyzing any exam scenario involving the sale of goods.

How It Works — Passage of Title, Risk of Loss & Insurable Interest

Passage of Title (§2-401)

Title to goods passes from seller to buyer at the time and place the seller completes physical delivery, unless the parties have explicitly agreed otherwise. Under a shipment contract (F.O.B. shipping point), title passes when the seller delivers the goods to the carrier. Under a destination contract (F.O.B. destination), title passes when the goods reach the buyer's location. When goods are held by a bailee (such as a warehouse), title passes when the buyer receives a negotiable document of title, or when the bailee acknowledges the buyer's right to possession. These distinctions are highly testable and carry significant commercial risk implications.

Risk of Loss Framework (§§2-509, 2-510)

Risk of loss determines which party bears the financial burden if goods are damaged, destroyed, or lost during transit. The analysis depends on whether the contract involves a carrier, a bailee, or neither, and whether either party has breached. In a shipment contract, risk passes to the buyer when the seller duly delivers goods to the carrier. In a destination contract, risk remains with the seller until the goods are tendered at the destination. If the seller breaches by tendering non-conforming goods, the risk of loss remains on the seller until the cure or acceptance occurs (§2-510(1)). If the buyer breaches (e.g., by repudiation), risk shifts to the buyer to the extent of any deficiency in the seller's insurance coverage (§2-510(3)).

Insurable Interest (§2-501)

The buyer obtains an insurable interest in identified goods the moment they are identified to the contract — even if title has not yet passed and the buyer does not yet bear the risk of loss. The seller retains an insurable interest as long as the seller holds title or a security interest. This dual insurable interest means both parties can simultaneously insure the same goods, which is a key concept in managing commercial risk and one that appears frequently on the CPA exam.

CPA EXAM TIP
When a question does not specify "F.O.B. destination," the UCC presumes a shipment contract (§2-504). This default presumption is tested repeatedly — when in doubt, assume risk passes at the point of shipment unless the contract clearly states otherwise.

Warranties, Breach & Remedies Classification

This diagram maps the warranty types (left panel) to the corresponding buyer and seller remedies (right panel), with the universal damage formulas displayed across the bottom. Note how each damage formula follows the same structure: the difference between the contract price and the substitute price, plus incidental damages, minus expenses saved.

Warranty Obligations in Detail

An express warranty (§2-313) arises when the seller makes an affirmation of fact, provides a description, or furnishes a sample or model that becomes part of the basis of the bargain. No particular magic words are required, and the seller need not use the word "warranty" or even intend to create one. The implied warranty of merchantability (§2-314) arises automatically in every sale by a merchant seller — the goods must pass without objection in the trade, be of fair average quality, and be fit for their ordinary purpose. The implied warranty of fitness for a particular purpose (§2-315) arises when the seller knows the buyer's particular purpose and the buyer relies on the seller's skill or judgment to select suitable goods. Both implied warranties can be disclaimed, but only through specific language: merchantability requires mentioning the word "merchantability" conspicuously, while fitness for a particular purpose requires a conspicuous written disclaimer. Selling goods "as is" or "with all faults" disclaims both implied warranties simultaneously.

Buyer's and Seller's Remedies Compared

Symmetrical structure of buyer and seller remedies under UCC Article 2
Remedy TypeBuyer's RemedySeller's Remedy
Substitute TransactionCover — buy substitute goods in good faith (§2-712)Resale — sell to another buyer in good faith (§2-706)
Market-Based DamagesMarket price at breach − contract price (§2-713)Contract price − market price at tender (§2-708)
Price/Performance ActionSpecific performance for unique goods (§2-716)Action for the price when goods accepted or lost (§2-709)
Additional DamagesIncidental (§2-715(1)) and consequential (§2-715(2)) damagesIncidental damages only (§2-710) — no consequential damages for sellers
Pre-Delivery RemediesDemand adequate assurance of performance (§2-609)Withhold delivery, stop goods in transit (§§2-702, 2-705)

Worked Example — Analyzing a Sales Dispute

Consider the following scenario: TechCorp (seller), a merchant dealer in computer equipment, enters into a written contract to sell 500 commercial-grade laptops to RetailMax (buyer) for $600 per unit, F.O.B. shipping point, delivery within 30 days. The contract contains no warranty disclaimers. TechCorp ships the laptops on Day 25 via a common carrier. On Day 28, while in transit, a warehouse fire at the carrier's facility destroys 100 of the laptops. The remaining 400 laptops arrive on Day 30, but upon inspection RetailMax discovers they have 256 GB hard drives instead of the 512 GB drives specified in the contract.

TechCorp v. RetailMax — Multi-Issue Analysis
1
Step 1 — Identify the Contract TypeThe contract specifies "F.O.B. shipping point," which establishes a shipment contract under UCC §2-504. Under a shipment contract, the seller's obligation is to deliver the goods to the carrier, make a reasonable contract for transportation, obtain and promptly deliver any necessary documents, and promptly notify the buyer of the shipment.
This is a shipment contract — risk of loss passes to the buyer when goods are delivered to the carrier.
2
Step 2 — Allocate Risk of Loss for the 100 Destroyed LaptopsBecause this is a shipment contract, risk of loss passed to RetailMax when TechCorp delivered the laptops to the carrier on Day 25 (§2-509(1)(a)). The fire occurred on Day 28 while goods were in transit — after risk had already passed. However, we must also consider §2-510(1): if the tender or delivery so fails to conform to the contract as to give a right of rejection, the risk of loss remains on the seller until cure or acceptance. The 100 destroyed laptops were presumably part of the non-conforming shipment (wrong hard drives), so TechCorp may bear the risk of loss for the destroyed laptops to the extent of any deficiency in the buyer's insurance coverage.
Because the entire shipment was non-conforming (wrong hard drives), §2-510(1) shifts risk back to TechCorp for the 100 destroyed laptops to the extent of any insurance deficiency.
3
Step 3 — Apply the Perfect Tender Rule to the 400 Delivered LaptopsThe 400 delivered laptops have 256 GB hard drives instead of the specified 512 GB. Under the perfect tender rule (§2-601), RetailMax may: (a) reject the whole lot, (b) accept the whole lot, or (c) accept any commercial unit(s) and reject the rest. The wrong hard drive specification is a clear non-conformity. RetailMax must give TechCorp seasonable notice of rejection (§2-602(1)).
RetailMax has the right to reject all 400 laptops due to the non-conforming hard drive specification.
4
Step 4 — Evaluate TechCorp's Right to CureThe contractual delivery date was Day 30, and the goods arrived on Day 30. Under §2-508(1), if the time for performance has not yet expired, the seller may notify the buyer of the intent to cure and deliver conforming goods within the contract time. Here, the time has effectively expired on Day 30. However, under §2-508(2), if the seller had reasonable grounds to believe the tender would be acceptable (for example, if prior shipments with 256 GB drives were accepted), the seller may have a further reasonable time to cure. Without such grounds, TechCorp's right to cure is limited.
TechCorp likely has no right to cure under §2-508(1) because the contract time has expired, and §2-508(2) applies only if TechCorp had reasonable grounds to believe the non-conforming tender would be accepted.
5
Step 5 — Calculate RetailMax's DamagesAssume RetailMax rejects the 400 laptops and covers by purchasing 500 conforming laptops from another supplier at $700 per unit. RetailMax incurs $2,000 in additional shipping costs (incidental damages). Under §2-712, buyer's cover damages equal (Cover Price − Contract Price) + Incidentals − Expenses Saved. Cover damages = ($700 − $600) × 500 + $2,000 − $0 = $50,000 + $2,000 = $52,000. If RetailMax could also prove lost profits from delayed sales, those would be consequential damages under §2-715(2), recoverable if they were reasonably foreseeable and could not have been prevented by cover.
RetailMax's cover damages = $52,000, plus any provable consequential damages.
6
Step 6 — Identify Warranty ClaimsBecause TechCorp is a merchant and the contract contained no disclaimers, the implied warranty of merchantability (§2-314) attached — the laptops must be fit for their ordinary purpose. The contract specified 512 GB drives, creating an express warranty (§2-313) that was breached. RetailMax could pursue a warranty-based action under §2-714 if the goods had been accepted, measuring damages as the difference in value between the goods as warranted ($600/unit with 512 GB) and the goods as delivered ($600/unit with 256 GB). Since RetailMax rejected rather than accepted, §2-712 or §2-713 provides the primary damages framework.
Both express warranty (§2-313) and implied warranty of merchantability (§2-314) were breached. Rejection + cover is the most advantageous remedy here.

Strengths, Limitations & Common Pitfalls

Strengths and common exam pitfalls in UCC Article 2 buyer-seller analysis
IssueStrength of UCC FrameworkLimitation / Pitfall
Perfect Tender RuleProtects buyers by requiring strict conformity; creates strong incentive for sellers to perform accuratelyDoes not apply to installment contracts (§2-612 uses substantial impairment test); courts sometimes limit it through good faith requirements
Right to CureBalances the perfect tender rule by giving sellers a fair opportunity to correct deficienciesExam candidates often confuse §2-508(1) (cure within contract time) with §2-508(2) (extended cure with reasonable grounds)
Risk of LossClear allocation rules reduce litigation; parties can modify by contractMany candidates forget that breach shifts risk (§2-510); the default is shipment contract, not destination
Warranty DisclaimersFreedom of contract allows parties to allocate warranty risk through clear disclaimersDisclaimers must be conspicuous; merchantability disclaimer must use the word 'merchantability'; fitness disclaimer must be in writing
Cover vs. Market DamagesBuyer has choice between actual cover price or hypothetical market price — flexible remedyCover must be made in good faith and without unreasonable delay; buyer is not required to cover but if cover is available, consequential damages may be limited
KEY TAKEAWAY
Think of the UCC damage formulas like a financial derivative: the buyer's remedy is essentially a long call option — the buyer locked in a price (contract price) and when the seller breaches, the buyer's damages equal the cost of replacing at market minus the locked-in price. The seller's remedy mirrors a short position — when the buyer breaches, the seller's damages equal the contract price minus what the seller can realize by reselling at the (now lower) market price. The symmetry of these formulas is the UCC's elegant mechanism for placing the non-breaching party in the economic position it would have occupied had the contract been performed.

Connection to CISG, Common Law & Advanced Topics

While UCC Article 2 governs domestic sales of goods, international transactions between parties in signatory nations are governed by the United Nations Convention on Contracts for the International Sale of Goods (CISG). The CISG differs from Article 2 in several respects that are important for CPA candidates to appreciate, particularly because the REG exam may test the distinction between UCC and common-law principles, and understanding the CISG provides useful comparative context. Similarly, sales of services and real property fall outside Article 2 and remain governed by common-law contract principles, which differ on issues like the mirror image rule, the statute of frauds, and the standard of performance.

Comparative framework: UCC Article 2 vs. Common Law vs. CISG
FeatureUCC Article 2Common LawCISG
ScopeSale of goods (tangible, movable property)Services, real estate, intangiblesInternational sale of goods between signatory nations
Acceptance of OfferBattle of the forms — additional terms may be included (§2-207)Mirror image rule — acceptance must match offer exactlyMaterial alterations = counteroffer; non-material changes accepted
Standard of PerformancePerfect tender rule (§2-601)Substantial performance doctrineFundamental breach standard (more flexible than UCC)
Statute of FraudsContracts for goods ≥ $500 require a writing (§2-201)Varies by jurisdictionNo writing requirement — oral contracts enforceable
Seller's Right to CureYes, under §2-508Generally no explicit cure rightYes, broad right to cure (Art. 48)

For CPA candidates, the most critical takeaway from this comparative analysis is that the first step in any exam question is to classify the transaction: is it a sale of goods (triggering UCC Article 2) or a contract for services, real estate, or mixed transactions (triggering common-law principles)? This threshold question determines which rules apply — including the standard of performance, the statute of frauds threshold, formation rules, and available remedies. Advanced topics such as anticipatory repudiation (§2-610), adequate assurance of performance (§2-609), and commercial impracticability (§2-615) build upon the foundational buyer-seller framework covered in this lesson and may appear as integrated questions on the exam.

Practice Problems

PROBLEM 1CONCEPTUAL
A manufacturer sells 200 industrial widgets to a retailer under a contract that specifies "F.O.B. shipping point." While in transit via a common carrier, a flood destroys 50 of the widgets. Neither party has breached. Who bears the risk of loss for the 50 destroyed widgets, and why?
PROBLEM 2BASIC CALCULATION
Buyer contracts with Seller for 1,000 units of Product X at $50 per unit. Seller repudiates the contract before delivery. Buyer covers by purchasing 1,000 units from another supplier at $58 per unit and incurs $500 in additional shipping costs. What is the buyer's total cover damages under §2-712?
PROBLEM 3INTERMEDIATE
MerchCo, a merchant seller of electronics, ships 300 tablets to Buyer under a contract requiring delivery by June 1. The contract is silent on warranty disclaimers. The tablets arrive on May 28 but have 4 GB of RAM instead of the contracted 8 GB. Buyer immediately notifies MerchCo of the non-conformity and rejects the shipment. MerchCo responds by offering to ship 300 conforming tablets, which would arrive by June 5. Does MerchCo have the right to cure? What warranties, if any, were breached?
PROBLEM 4APPLIED
GreenGrow (buyer), a landscaping company, asks SeedSupply (seller), a merchant seed dealer, for seeds suitable for a high-traffic commercial sports field. The buyer relies on SeedSupply's expertise in selecting the seed type. SeedSupply ships grass seed, which GreenGrow plants. The grass fails because SeedSupply shipped ornamental grass seed unsuitable for foot traffic. GreenGrow must re-sod the entire field at a cost of $40,000. The original contract price was $5,000. Analyze all applicable warranties and the buyer's potential damages.
PROBLEM 5CRITICAL THINKING
Consider a contract for the sale of 10,000 units of custom-manufactured industrial valves, to be delivered in five monthly installments of 2,000 units each. The first three installments conform perfectly. The fourth installment contains 500 units with minor cosmetic scratches that do not affect functionality. The buyer wants to reject the entire contract (all remaining installments) and pursue damages. Analyze whether the buyer can (a) reject the fourth installment, (b) cancel the entire contract, and (c) what standard applies. How would your analysis differ if this were a single-delivery contract?

Summary

The rights and obligations of buyers and sellers under UCC Article 2 form a coherent framework built on several interlocking principles. The seller's primary obligation is to tender conforming goods under the perfect tender rule (§2-601), tempered by the seller's right to cure (§2-508) and the substantial impairment standard for installment contracts (§2-612). The buyer's primary obligation is to inspect, accept, and pay the contract price for conforming goods. Risk of loss allocation depends on whether the contract is a shipment or destination contract and whether either party has breached, while insurable interest arises for both parties as soon as goods are identified to the contract.

Sellers provide express warranties (§2-313) through affirmations and descriptions, while implied warranties of merchantability (§2-314) and fitness for a particular purpose (§2-315) arise by operation of law. When breach occurs, buyers may cover (§2-712) or claim market-price damages (§2-713), while sellers may resell (§2-706) or seek the contract price (§2-709). Always begin your analysis by classifying the transaction (goods vs. services), identifying the contract type (shipment vs. destination), and then systematically working through tender, inspection, acceptance or rejection, cure, warranties, and remedies.

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