Washington Revised Code Title 18. Businesses and Professions § 18.71A.090. Signing and attesting to required documentation (Effective January 1, 2025)

(1) A physician assistant may sign and attest to any certificates, cards, forms, or other required documentation that the physician assistant's participating physician or physician group may sign, provided that it is within the physician assistant's scope of practice and is consistent with the terms of the physician assistant's collaboration agreement as required by this chapter.

(2) Notwithstanding any federal law, rule, or medical staff bylaw provision to the contrary, a physician is not required to countersign orders written in a patient's clinical record or an official form by a physician assistant with whom the physician has a collaboration agreement.