Cal. Civil Code § 1596 : Nature Of A Contract — California Civil Code — Obligations — Object Of A Contract — Object required to be lawful, possible and ascertainable Date: 14 Sep 2016 TEXT PDF Current through the 2016 Legislative Session The object of a contract must be lawful when the contract is made, and possible and ascertainable by the time the contract is to be performed. Ca. Civ. Code § 1596