The department shall maintain separate accounting and limit its expenditures from the special aviation internal service fund so as to in no instance use any sum for a purpose other than that for which it has been appropriated.

Source: SL 1957, ch 1 , § 2; SDC Supp 1960, § 2.0119; SL 2010, ch 227 , § 11; SL 2014, ch 222 , § 9.