Ala. Code § 11-40-35
Payment of the assessment shall be made in the manner and as provided for the payment of municipal improvement assessments in Section 11-48-48, as the same has heretofore or may hereafter be amended. Any Class 2 municipality may use the provisions of Section 11-48-48.1 as the same has heretofore or may hereafter be amended. Upon the property owner's failure to pay the assessment the officer designated by the municipality to collect the assessments shall proceed to collect the assessment as provided in Sections 11-48-49 to 11-48-60, inclusive. The municipality may, in the latter notice, elect to have the tax collector or revenue commissioner collect the assessment by adding the assessment to the tax bill. Upon the election, the tax collector or revenue commissioner shall collect the assessment using all methods available for collecting ad valorem taxes.
Ala. Code § 11-40-35 (1975)