Ala. Code § 9-14E-6

Any contract for the acquisition, construction, or installation of any part of the project that shall be paid for or financed with public funds shall be subject to the laws of the state now or hereafter in effect that require competitive bids for the contract, including, without limitation, Chapter 2 of Title 39 and Chapter 16 of Title 41. Any contract for the acquisition, construction, or installation of any part of the project that shall not be paid for or financed with public funds shall be exempt from the laws of the state at any time in effect that required competitive bids for the contracts.