The Department of Economic Development and Commerce and its operating components shall be exempted from the provisions of §§ 934 et seq. of this title, the “General Services Administration Organic Act”, and shall be governed by their own laws and the regulations established by the Secretary. The Department and its components shall establish through regulations, according to their legal authority, their own systems and regulation of purchases, supplies and auxiliary services, within sound norms of fiscal administration, economy and efficiency. Until the new system and regulations are approved, they shall continue to be governed by the present ones.