Ala. Code § 2-13-93
The Commissioner of Agriculture and Industries, with the approval of the State Board of Agriculture and Industries, is authorized to promulgate and adopt rules and regulations to effectuate the evident intent and purposes of this article. All rules and regulations promulgated under this article shall be in writing, and said rules and regulations shall become effective 30 days after a copy of the same has been posted in the office of the commissioner. The commissioner shall mail a copy of all such rules and regulations to each holder of a permit issued under this article, addressed to such permit holder at his last known address. No rule or regulation under the authority of this article shall become effective prior to the expiration of 30 days from the date of its promulgation and posting as aforesaid.
Ala. Code § 2-13-93 (1975)