(a) A crematory licensee may adopt reasonable rules consistent with this Article for the management and operation of a crematory. Nothing in this subsection may be construed to prevent a crematory licensee from adopting rules which are more stringent than the provisions of this Article.
(b) Nothing in this Article may be construed to relieve the crematory licensee from obtaining any other licenses or permits required by law.
(c) Nothing in this Article shall prohibit or require the performance of cremations by crematory licensees or crematory managers for or directly with the public or exclusively for or through licensed funeral directors.