(1) In lieu of the documents required to be filed under RCW 64.36.030, the director may by rule accept:
(a) Any disclosure document filed with agencies of the United States or any other state;
(b) Any disclosure document compiled in accordance with any rule of any agency of the United States or any other state; or
(c) Any documents submitted pursuant to registration of a timeshare offering under *chapter 58.19 RCW before August 1, 1983.
(2) The director may by rule waive disclosure of information which the director considers unnecessary for the protection of timeshare purchasers.
(3) The director may by rule require the provision of any other information the director considers necessary to protect timeshare purchasers.