Section 40.15.070 - Platting authority(a) If land proposed to be subdivided or dedicated is situated within a municipality that has the power of land use regulation and that is exercising platting authority, the proposed subdivision or dedication shall be submitted to the municipal platting authority for approval. A subdivision may not be filed and recorded until it is approved by the platting authority.(b) The Department of Natural Resources is the platting authority in the areas of the state not described in (a) of this section.