事じ前ぜん日ひ付づけ

noun, noun which may take the genitive case particle 'no'

antedating; predating; backdating

Refers to assigning a date earlier than the actual date of an event or document. Often used in legal, historical, or documentary contexts.

• 契けい約やく書しょに事じ前ぜん日ひ付づけを記き入にゅうするのは違い法ほうになる場ば合あいがある。

  Entering an antedate on a contract may be illegal in some cases.