stip·u·la·tion /ˌsti-pyə-'lā-shən/ n
1: an act of stipulating
2: something stipulated: as
a: an agreement between parties regarding some aspect of a legal proceeding
a stipulation of facts
admitted the charges in a prehearing stipulation — New York Law Journal
b: a condition, requirement, or item specified in a legal instrument; specif: stipulation pour autrui
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.