In addition to any regulation specifically required by this subtitle, regulations that the Commissioner adopts to carry out this subtitle may include:
(1) definitions of the terms “administrative capacity”, “executive capacity”, “professional capacity”, and “outside salesman”;
(2) a scale of wages that is suitable for learners and apprentices but is at least 80% of the minimum wage under this subtitle; and
(3) a wage for a special case or class of case if the Commissioner finds the wage appropriate to:
(i) avoid undue hardship;
(ii) prevent the curtailment of employment opportunity; and
(iii) safeguard the minimum wage under this subtitle.