Also known as: habits and customs · custom and habit · usage
Written by attorneys · grounded in primary & secondary sources — see below
A regular and specific pattern of conduct that parties to an agreement are presumed to have incorporated when each knew or had reason to know of the practice and neither knew the other attached an inconsistent meaning.
Hiroshi Hasegawa and Harbor Shipping sign a brief supply contract silent on minimum tonnage. For three prior seasons Harbor Shipping always accepted orders within ten percent of the stated amount. The court treats that consistent practice as the meaning the parties are deemed to have incorporated.
Hana Hashimoto and Harbor Shipping sign a brief supply contract silent on minimum tonnage. For three prior seasons Harbor Shipping always accepted orders within ten percent of the stated amount. The court treats that consistent practice as a usage that supplies the missing term.
Select any source to read its text and confirm it supports the definition.
Holly Hayes and Highland Farms exchange forms containing different payment due dates. Both parties are experienced in the produce trade where payment is customarily due ten days after delivery. The court adopts the trade usage because each side had reason to know of it.
Hugo Hart and Harmony Retail agree on next-day delivery without specifying the cutoff time. Retailers in the same trade routinely treat orders received before 3 p.m. as next-day eligible. The court reads the contract in light of that established practice.
Helena Hoffman and Highland Farms exchange forms containing different payment due dates. Both parties are experienced in the produce trade where payment is customarily due ten days after delivery. The court adopts the trade usage because each side had reason to know of it.
Hakim Hall's supplier always rounds fractional tons upward in invoices. Hakim receives and pays several such invoices without objection. The court treats the supplier's rounding practice as the meaning Hakim is deemed to have accepted.
A usage supplements the agreement when each party knows or has reason to know of the usage and neither knows the other intends something inconsistent with it.
Express terms control over course of performance when the two cannot reasonably be reconciled. Otherwise the parties' repeated conduct is given great weight in interpretation.
An agreement is interpreted in accordance with a relevant usage if each party knew or had reason to know of the usage and neither party knew or had reason to know that the meaning attached by the other was inconsistent with the usage.
When the meaning attached by one party accorded with a relevant usage and the other knew or had reason to know of the usage, the other is treated as having known or had reason to know the meaning attached by the first party.
…a wrong committed, the way has not been opened for the introduction of the testimony. We are content with this long-established usage, which, so far as we have been able to discover, has rarely been departed from. It is the outgrowth of a maxim based on the principles of common honesty, and, if properly administered, can…