(1) Moneys placed in any escrow or trust shall not necessarily be limited to proceeds of refunding bonds but may include other moneys legally available for the purpose.

(2) Any moneys in escrow or trust, pending use for their intended purpose, may be invested or reinvested only in securities meeting the investment requirements established in part 6 of article 75 of title 24, C.R.S.

(3) The escrow agent shall continuously secure any moneys placed in escrow or trust and not so invested or reinvested in securities by a pledge of such securities in a principal amount at all times at least equal to the total uninvested moneys held in such escrow or trust in strict accordance with the provisions of the escrow agreement. The requirements of this subsection (3) shall not apply with regard to any such uninvested moneys to the extent and during any time the same are fully insured by the federal deposit insurance corporation.

(4) Such moneys and investments in the escrow or trust account, together with the interest or other gain to be derived from any such investments, shall at all times be at least sufficient to make all of the payments required to be made pursuant to the escrow agreement in the manner and at the times specified in said agreement.

(5) The computations made in determining such sufficiency shall be verified by a certified public accountant licensed to practice in this state.

(6) No purchaser of any refunding bond issued under this article shall be responsible in any manner for the application of the bond proceeds or other moneys by the public body, the governing body, or any of the officers, agents, or employees of the public body.