The fund capital shall be distributed to the incorporated municipalities of the state and shall be paid on April 15 of the fiscal year for which each annual appropriation is made as follows:
Each municipality shall upon receipt of its share deposit same in a special account and shall not commingle such funds with other revenues of the municipality. The share of each municipality shall be expended solely for capital improvements and the renovation of capital improvements determined by the municipal governing body. The governing body of each municipality may use such share to finance bond or warrant issues for capital improvements and the renovation of capital improvements and may pledge such share to retire the principal and interest of such bonds or warrants.
Ala. Code § 11-66-6 (1975)