No acquisition, rehabilitation, demolition, or other improvement which shall involve the displacement of occupants of dwelling units or business units shall be made unless and until the bureau has qualified a relocation advisory agency to give relocation assistance to the occupants to be displaced. Any agency, public or private, may be qualified by the bureau to act as a relocation agency until such time as the bureau may, on stated grounds, withdraw qualifications; or the bureau may qualify any agency, public or private, proposed by a displacing agency to act as a relocation agency with respect to particular acquisitions. The bureau may qualify a displacing agency to act as the relocation agency with respect to particular acquisitions.
Mass. Gen. Laws ch. 79A, § 2