Section 296-150P-0590 - Who approves addendums to design plans approved by a professional or firm?(1) You must have the professional or firm approve an addendum to a design plan, if they initially approved your design plan.(2) If the professional or firm who approved your design plan is no longer on the department list, you may have us approve your addendum.Wash. Admin. Code § 296-150P-0590
Adopted by WSR 23-09-024, Filed 4/11/2023, effective 4/11/2023