mailbox rule

noun

An exception to the general rule of contract law stating that acceptance of an offer takes effect when a letter enters the postal system.

Similar
postal rule
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Meanings

noun
  1. USlawAn exception to the general rule of contract law stating that acceptance of an offer takes effect when a letter enters the postal system.

    Synonyms: postal rule

Synonyms & antonyms

nounAn exception to the general rule of contract law stating that acceptance of an offer takes effect when a letter enters the postal system.

Similar
postal rule
Also see
postal rule
Cite this entry
APA

mailbox rule. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mailbox%20rule

MLA

“mailbox rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mailbox%20rule. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mailbox rule,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mailbox%20rule.

Source: mailbox rule on Wiktionary, CC BY-SA 4.0.