(1) For a specific action or for a specific type of action, the agency may propose different procedures from those described in ARM 10.121.901 through 10.121.907 to the SHPO.

(2) The SHPO will respond to such request within 20 days of the receipt of a request.

(3) Procedures agreed to by both the agency and the SHPO for a specific action or specific types of actions may be incorporated into a memorandum of agreement, signed by both parties.