Mail Box Rule Legal Meaning and Definition

Here is a simplified definition of the legal term Mail Box Rule.

Mail Box Rule (noun): A legal guideline that states a document is considered delivered on the date it was posted in the mail, as long as it was mailed with appropriate postage within the set period. This rule applies unless there are explicit instructions that contradict it. Under the Mail Box Rule, the sending of the document is deemed timely if it was placed in the mailbox within the allocated time frame.