The relation of these temporary regulations to the shari‘ah...

The relation of these temporary regulations to the shari‘ah is analogous to the relation of statutes established by a state’s parliament, which can be revoked, to its constitution, which is permanent and irrevocable. Thus Islamic law authorizes the Islamic head of state to enact, within the framework of the shari‘ah , regulations necessary for meeting the needs caused by various circumstances.

But as soon as those circumstances change, the regulations decreed to accommodate them automatically expire, while the shari‘ah remains intact. Based on the abovementioned, Islamic law has two sets of…