A state or national bank which receives a deposit of state moneys is required to secure the account by a pledge of securities. K.S.A. 1985 Supp. 75-4218. Direct obligations of the United States government or its agencies are qualified securities, as are obligations insured as to principal and interest by the United States government or one of its agencies. K.S.A. 75-4201(p)(1). Cited herein: K.S.A. 75-4201; K.S.A. 1985 Supp. 75-4218; K.S.A. 75-4221; 7 U.S.C. sections 1981; 1988; 12 U.S.C. sections 1435; 1455; 1717; 1719; 1721; 15 U.S.C. sections 633; 634; 16 U.S.C. sections 831n-1; 831n-3; 831n-4; 31 U.S.C. section 3123; 42 U.S.C. sections 3534; 4514.