OPINION — AG — QUESTION: "IS THAT PORTION OF 62 O.S. 1961 516.10 [62-516.10], AS AMENDED, AUTHORIZING THE STATE TREASURER TO PRESCRIBE FORMS TO BE USED BY SAID TREASURERS UNDER THE 'UNIT COLLATERAL SYSTEM' ACT, VALID?" — AFFIRMATIVE CITE: ARTICLE VI, SECTION 19, ARTICLE X, SECTION 19, 74 O.S. 1961 214 [74-214], 62 O.S. 1961 516.1 [62-516.1] (FLOYD MARTIN)