820 ILCS 135/3

(a) It is declared to be the public policy of this State pursuant to paragraphs (h) and (i) of Section 6 of Article VII of the Illinois Constitution that the prohibitions and restrictions contained in this Act shall be applicable in all counties and municipalities of this State, including home rule units. No county or municipality, including a home rule unit shall adopt any ordinance which abrogates any provision of this Act.

(b) A county or municipality may adopt an ordinance requiring that a funeral director notify a cemetery authority within a specified period of time to make arrangements for a burial on a Sunday or legal holiday necessitated by the decedent's religious beliefs or tenets.

(c) If a permit is required for the burial of a human body in a county of 3,000,000 or more population, the corporate authorities of the municipality or the county board shall insure that such permit will be issued for the burial of a decedent whose time of death and religious tenets or beliefs necessitate a Sunday or holiday burial.