To ensure the prompt payment of interest and provision for the payment of the principal on bonds issued under this subtitle: the prompt and proper performance of the acts required under §§ 22–106 and 22–108 of this subtitle is specially enjoined; and a person who is required to act under §§ 22–106 and 22–108 of this subtitle: shall perform the acts required under those sections; shall pay over any funds as required under those sections; and may not use any part of the funds for any other purpose than for the payment of principal and interest on the bonds.