The Governor is hereby authorized to prescribe rules and regulations not inconsistent with the provisions of this article governing the enlistment, organization, administration, equipment, maintenance, training and discipline of such forces: Provided, That such rules and regulations, insofar as he deems practicable and desirable, shall conform to existing law governing and pertaining to the National Guard and the rules and regulations promulgated thereunder, and shall prohibit the acceptance of gifts, donations, gratuities or anything of value by such forces or by any member of such forces from any individual, firm, association, or corporation by reason of such membership.