La. R.S. 29:739(G)
License Reciprocity: Intrastate Mutual Aid Compact
An individual, who holds a license, certificate, or permit for professional, mechanical, or other skills issued by Louisiana or by a responding entity, is considered to be licensed, certified, or permitted in the requesting jurisdiction for the duration of the emergency. This section is limited to the intrastate mutual aid system.
Intrastate Mutual Aid Compact
G. License; certificate; permit portability. If a person or entity holds a license, certificate, or other permit issued by a parish or the state evidencing qualification in a professional, mechanical, or other skill, and the assistance of that person or entity is requested by a parish, the person or entity shall be deemed to be licensed, certified, or permitted in the parish requesting assistance for the duration of the event and subject to any limitations and conditions the chief executive of the parish receiving the assistance may prescribe by executive order or otherwise.