Sec. 4. Transition. Until major substantive rules authorized under the Maine Revised Statutes, Title 12, section 1862, subsection 2, paragraph E are finally adopted and in effect, the Director of the Bureau of Parks and Lands within the Department of Conservation shall determine if a project qualifies as a large-scale project as defined in Title 12, section 1862, subsection 1, paragraph D-1 and determine the rents for large-scale projects.