(1) The requirements for filing and approval of policy rates and forms apply to forms issued to or in connection with purchasing groups to the same extent as they apply in other situations.

(2) Notwithstanding subsection (1) of this section, forms that have been properly issued in Washington before the effective date of this regulation may continue to be issued or renewed until February 1, 1994, or such later date as the commissioner approves. After that date, those forms are subject to subsection (1) of this section.