Ala. Code § 34-5A-5

A licensed or unlicensed national board certified behavior analyst or national board certified assistant behavior analyst residing and practicing in another state who temporarily provides behavior analysis services in this state or to a resident of this state, or both, may apply for a temporary license to practice behavior analysis in this state. A temporary license is available only if the behavior analysis services are to be delivered during a limited and defined period, as defined by rule.