AUTHORITY: Chapter 335 and section 610.021(3) and (13), RSMo Supp. 2013. This rule originally filed as 4 CSR 200-1.010. Original rule filed April 5, 1976, effective Oct. 11, 1976. Amended: Filed Sept. 18, 1981, effective Jan. 14, 1982. Amended: Filed Nov. 2, 1990, effective March 14, 1991. Amended: Filed Feb. 15, 1996, effective Aug. 30, 1996. Moved to 20 CSR 2200-1.010, effective Aug. 28, 2006. Amended: Filed Sept. 5, 2013, effective Feb. 28, 2014. Rescinded: Filed Nov. 2, 2017, effective May 30, 2018. Op. Atty. Gen. No. 32, Freeman (1-2-80). Registered professional nurses cannot perform all of the duties and functions of “nurse practitioners” provided for in the Rural Health Clinic Services Act, Pub. L. 95-210. Op. Atty. Gen. No. 153, Wilson (9-10-79). Licensed practical nurses are not included within the specified class of medical professionals receiving limited protection from civil liability under the terms and provisions of section 537.037, RSMo (Supp. 1979).