Rule RAP 34 - Amicus Curiae(A)Participation in appeals. Amicus curiae may participate in appeals only as set forth in this rule and in RAP 43(C) and RAP 45.(B)Amicus Curiae Briefs.(1)Motion Required. A brief for an amicus curiae shall not be filed except upon order of the appellate court, pursuant to motion filed simultaneously with the tendered brief that specifies with particularity the nature of the movant's interest, the points to be presented, and their relevance to the disposition of the case.(2)Time for Filing. A motion to file an amicus curiae brief must be filed no later than 15 days from the date on which the appellant's brief is filed, or due to be filed, whichever is later, regardless of whether the amicus curiae advocates the position of the appellant or appellee.(3)Payment. Payment of the filing fee specified in RAP 13 shall be required with a motion for leave to file an amicus curiae brief.(4)Form. An amicus curiae brief shall conform to RAP 30, 31, and 32(C)(1), but with a tan cover, shall not exceed 5,250 words, shall include a word-count certificate in conformity with RAP 15, and shall not contain appendices, other than copies of final unpublished opinions as required by RAP 41(C).(C)Oral Argument. Counsel representing an amicus curiae shall not participate in oral argument.Adopted by order 2022-49, eff. 1/1/2023.