Operational Manuals. The Trust may establish from time to time operational handbooks or manuals relating to the Maryland Register of Historic Properties, including descriptive statements of procedures which do not affect directly the rights of, or the procedures available to, the public. Waiver. The Director may waive or vary particular provisions of these regulations if: The waiver or variance is not inconsistent with the authorizing provisions of the Act; and In the written determination of the Director, the application of a regulation in a specific case or in an emergency situation would be inequitable or contrary to the purposes of the Act.