The design, adoption, and implementation of the preferred provider contracts, networks, and optional alternative comprehensive health benefit plans, and programs available under the optional alternative plans, as authorized under N.C. Gen. Stat. § 135-48.2, are not subject to the requirements of Article 3 of Chapter 143 of the N.C. Gen. Stat., but are subject to the requirements of N.C. Gen. Stat. § 135-48.33 (2011-85, s. 2.10.)