All interest derived from the deposit of its funds shall be the property of the municipality. Source: SL 1913, ch 119 , § 122; RC 1919, § 6344; SL 1919, ch 272 ; SL 1925, ch 236 ; SL 1929, ch 188 ; SDC 1939, § 45.1423; SL 1943, ch 166 ; SL 1959, ch 270 ; SL 1981, ch 69 .