In Section R156-55c-302b, language is added to Subsection R156-55c-302b(2)(b)(i) allowing the apprentice plumber to sit for the appropriate plumbing examinations after successful completion of the first semester of the fourth year of the apprentice education program. Minor formatting changes are made throughout. In Section R156-55c-304, education covering the International Energy Conservation Code is included as core continuing education. Education covering Occupational Safety and Health Administration (OSHA) training and government regulations is included as professional continuing education. Minor formatting changes are made throughout.