59-2-3. Form of authority.
An oral authorization is sufficient for any purpose, except that an authority to enter into a contract, other than a negotiable instrument, required by law to be in writing can only be given by an instrument in writing.
Source: CivC 1877, §1348; CL 1887, §3971; RCivC 1903, §1667; RC 1919, §1249; SDC 1939, §3.0204.