Section 3. The secretary of each executive office shall promulgate rules and regulations to carry out the purposes of this chapter which shall be applicable to all agencies, departments, boards, commissions, authorities, and instrumentalities within each of said executive offices subject to the approval of the commissioner of administration. The department of housing and community development shall promulgate rules and regulations to carry out the purposes of this chapter which shall be applicable to local housing and redevelopment authorities of the cities and towns. Any agency not within any such executive office shall be subject to the regulations of the commissioner of administration. The attorney general, the state secretary, the state treasurer and the state auditor shall adopt applicable regulations for their respective departments.