The ABRFA shall annually calculate that portion of the amount necessary to pay the principal and interest on any bonds issued by the ABRFA that would have been paid from charges for space in the Alabama State House but for the enactment of this article and certify that amount to the state Comptroller. The amount so certified is appropriated from the General Fund to the ABRFA. The state Comptroller shall issue a warrant in that amount to the ABRFA. The payment of the amount shall be used exclusively to satisfy that portion of the payment of the principal and interest on bonds issued by the ABRFA that is attributable to the Alabama State House. The state Comptroller may disburse this amount in 12 equal monthly payments.