Canadian Industrial Alcohol Co. v. Dunbar Molasses Co. — Self-Test Quiz

Q1: What area of law does Canadian Industrial Alcohol Co. v. Dunbar Molasses Co. primarily address?


Contracts

Q2: What was the central legal issue in Canadian Industrial Alcohol Co. v. Dunbar Molasses Co.?


Is a seller excused from performance due to impracticability when its anticipated source of supply fails, where the sales contract does not expressly or impliedly condition performance on procurement from that particular source?

Q3: What rule did the court apply?


A seller who undertakes to deliver goods generally assumes the risk of obtaining them and is not excused by the failure of an anticipated supplier unless the contract expressly or by clear implication conditions performance on a specific, identified source or output. Impossibility or impracticability may excuse performance when the contract is tied to a particular, destroyed, or unavailable source (e.g., the output of a named mill or a specified crop), but mere difficulty, shortage, or increased expense due to a supplier's nonperformance is insufficient to discharge a promisor who has not limited its obligation to that source.

Q4: What was the court's holding?


No. The seller was not excused. Because the contract did not limit performance to a specific source of supply or make delivery contingent on that source, the seller assumed the risk of procuring the molasses and was liable for the shortfall in deliveries.

Q5: Why is Canadian Industrial Alcohol Co. v. Dunbar Molasses Co. significant?


The case is a classic on risk allocation and the limits of the impossibility/impracticability defense. It teaches that courts will enforce unconditional promises notwithstanding supply-chain disruptions unless the contract explicitly (or unmistakably by implication) conditions performance on a specific source. It also foreshadows UCC § 2-615 by distinguishing genuine source-destruction cases from mere supplier defaults or market shortages. For students and practitioners, it underscores the need to draft clear force majeure clauses, source-contingency language, and allocation provisions to manage procurement risk.

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