(1) No person may practice or represent himself or herself as a nursing assistant-registered by use of any title or description without being registered by the department pursuant to this chapter.
(2) After October 1, 1990, no person may by use of any title or description, practice or represent himself or herself as a nursing assistant-certified without applying for certification, meeting the qualifications, and being certified by the department pursuant to this chapter.
(3) After July 1, 2013, no person may practice, or represent himself or herself by any title or description, as a medication assistant without a medication assistant endorsement issued under RCW 18.88A.082.