La. R.S. 40:1566.1

When the fire marshal directs the inspection of a building and the marshal or his authorized agent is refused permission to conduct such inspection, the marshal or his authorized agent may petition the local district court to order that he be allowed to make such inspection. This order shall be granted immediately where the fire marshal demonstrates an immediate need to inspect the premises to guarantee the safety and welfare of the public from any possible hazards. The owner and/or leasee shall be served with a petition to show cause why the inspection should not be conducted.