締てい結けつ日び

noun

date of execution; agreement date; entering date

Used in legal and business contexts for the date a contract, treaty, or agreement is formally concluded or comes into effect.

• 契けい約やく書しょの締てい結けつ日びは来らい月げつの1つい日たちです。

  The execution date of the contract is the first of next month.

• 条じょう約やくの締てい結けつ日びを確かく認にんしてください。

  Please confirm the date of conclusion of the treaty.