Ala. Code § 32-2-81

Any funds created from depreciation, equipment replacement allowance, and salvage value for replacement of law enforcement motor vehicles in the department shall be deposited in the Public Safety Motor Vehicle Replacement Fund created pursuant to Section 32-2-80; however the expenditure of any monies appropriated from this fund shall be budgeted and allotted pursuant to the Budget Management Act and Article 4 of Chapter 4 of Title 41. These funds shall not revert at the end of each fiscal year, but shall be carried over to each succeeding fiscal year.