mailbox rule

noun
mail·​box rule

Legal Definition of mailbox rule

: a rule treating the sending of something as constituting a filing or as a basis for assuming receipt specifically : a rule in contract law: a notice of acceptance of an offer sent to the offeror by reasonable means or as agreed by the parties is effective and is not affected by a notice of revocation of the offer received later

Learn More about mailbox rule

Cite this Entry

“Mailbox rule.” Merriam-Webster.com Legal Dictionary, Merriam-Webster, https://www.merriam-webster.com/legal/mailbox%20rule. Accessed 8 Aug. 2020.

Comments on mailbox rule

What made you want to look up mailbox rule? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!