An employment is terminated:

1. (1) By expiration of its appointed term;
2. (2) By extinction of its subject;
3. (3) By death of the employee; or
4. (4) By legal incapacity of the employee to act as an employee.

Source: CivC 1877, § 1150; CL 1887, § 3773; RCivC 1903, § 1469; RC 1919, § 1093; SDC 1939, § 17.0402; SL 2008, ch 276 , § 27.