(a) It shall be unlawful for any owner or operator to commingle the production from two or more pools prior to the metering or measurement thereof unless specific permission for such commingling has been granted by the department. Said permission may be granted on an administrative basis or after public hearing at the discretion of the department.

(b) For any well in which a multiple completion has been effected, the completion report shall contain relevant supplemental information as specified in section 554.7(c) of this Part.

(c) Upon request by the department, any well in which a multiple completion has been effected shall be tested at any reasonable time to demonstrate the effectiveness of the separation of the pools, such tests to be witnessed by representatives of the department and any offset operators so desiring.