53-5-1. Object of contract defined. The object of a contract is the thing which it is agreed, on the part of the party receiving the consideration, to do or not to do. Source: CivC 1877, §901; CL 1887, §3525; RCivC 1903, §1219; RC 1919, §834; SDC 1939, §10.0401.
53-5-2. Requisites of object. 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. Source: CivC 1877, §902; CL 1887, §3526; RCivC 1903, §1220; RC 1919, §835; SDC 1939, §10.0402.
53-5-3. Unlawfulness of object and impossibility of performance renders contract void. Where a contract has but a single object and such object is unlawful in whole or in part, or wholly impossible of performance, or so vaguely expressed as to be wholly unascertainable, the entire contract is void. Source: CivC 1877, §904; CL 1887, §3528; […]
53-5-4. Several distinct objects–Some lawful and some unlawful–Validity of lawful parts. Where a contract has several distinct objects, one or more of which are lawful and one or more of which are unlawful in whole or in part, the contract is void as to the latter and valid as to the rest. Source: CivC 1877, […]