After March 1, 1968, no new policy of automobile physical damage insurance or property insurance covering property located in the state of Washington shall be endorsed with a long form loss payable or mortgagee clause, other than:
(1) For automobile physical damage insurance, the form attached to this regulation, which is here designated Form REG-335.(2) For property insurance, either: (a) What is now called Standard Forms Bureau Form 372 (Nov. 1950) or the NS version of the same form, which may be adapted for use with insurance on personal property by typing over or deleting from the form the phrase "on buildings only;" or(b) What is now called Form 438 BFU (May 1, 1942), as approved by the Board of Fire Underwriters of the Pacific and California Bankers Association Insurance Committee, or the NS version of the same form, which may be adopted for use with insurance on personal property by typing over or deleting from the form the phrase "on buildings only;" or(c) Form REG-335 (see appendix [codified as WAC 284-21-990] at end of this chapter). Specimens of the above forms may be obtained without cost by calling or writing to the Office of Insurance Commissioner, Insurance Building, Olympia, Washington.
Wash. Admin. Code § 284-21-010
Order R-68-5, § 284-21-010, filed 7/9/68.