Ala. Code § 2-27-58

The commissioner may, by rules and regulations, after public hearing, with approval of the board, prescribe the pesticides or methods to be used for application thereof and prohibit or limit the use of certain pesticides during certain seasons of the year and the methods of application to such an extent as may be necessary to provide protection to health, the environment and property. In issuing such regulations, consideration shall be given to pertinent research findings and recommendations of other agencies or institutions of this state or of the federal government. Each aircraft and ground equipment used in the custom application of pesticides shall have attached thereto a decal or other identifying mark issued by the commissioner.