(1) Designate each amendatory section with the heading "amendatory section" followed by a reference to the WSR number or agency order number and the filing date of the latest permanent order affecting that section. Show amendments to the text in terms of the latest permanent version of the section that has been filed with the code reviser.

(2) If a section to be amended has been exempted from publication under RCW 34.05.210 and is not published in the WAC, in later orders amending or repealing the section refer to it by the original agency order and section number or other appropriate description.