Chap. 664. V 547 treasury of each such city or town. The district treasurer shall submit a duplicate copy of the aforementioned certification to the board of assessors of each city and town, and each such board of assessors shall include said amounts in the assessment for the annual tax levy according to the procedures specified in section twenty-one of chapter fifty-nine; provided, however, that if the annual tax levy is determined by any such board of assessors prior to receiving a copy of said certification, the board of assessors shall include as money to be raised in the tax levy an amount equal to twenty cents per capita of the population of the city or town as determined aforesaid, and, if said amount is less than the amount actually certified by the district treasurer, the difference shall be included as money to be raised in the next annual tax levy. Payments for the expenses of the district shall be made by the treasurer or assistant treasurer only upon a warrant for such payment approved by a majority of the commission or, if so delegated, by a majority of the executive committee or by a majority of such other committee as the commission may delegate by its by-laws to exercise such approval. Said regional planning and economic development district may accumulate reserve funds for, but not limited to, the purposes of funding the purchase and replacement of capital equipment and participating in state and federal programs, provided, that such accumulated reserve funds may not exceed the estimated proportion of the district commission's costs and expenses to be paid by the member cities and towns during the next fiscal year. The director of accounts in the department of corporations and taxation shall annually cause an audit to be made of the accounts of the commission. A report thereon shall be made to the chairman of the commission and a copy thereof shall be sent in a city having a city manager to said city manager and in all other cities to the mayor, the board of selectmen of each town and to each planning board in the district. Section 19. There shall be a mutual exchange between the commission and all agencies of the commonwealth and of each political subdivision thereof within the district', of data, records, and information within their knowledge and control pertaining to the district, or to parts thereof, which may be required for the preparation of programs designed to achieve the purposes of this chapter. Approved July 18,1968. Chap. G64. An Act providing fok the establishment op a police DEPARTMENT BY THE MASSACHUSETTS BAY TRANSPORTATION AUTHORITY. Be it enacted, etc., as follows: Section 1. There shall be established by the Massachusetts Bay Transportation Authority, hereinafter called the authority, a police department to be under the supervision of a police officer to be known as the chief of police. Said office of the chief of police and offices and positions in said police department shall be subject to the provisions of chapter thirty-one of the General Laws. Such police officers shall have, within the territorial limits of the authority, the powers and 548 Acts, 1968. — Chap. 664. duties which are conferred or imposed upon police officers of cities and towns under the provisions of section ninety-eight of chapter forty-one of the General Laws, and shall have the powers and duties which are conferred or imposed upon police officers under section ninety-three of chapter one hundred and fifty-nine of the General Laws to the same extent as though they had been appointed on petition' of the authority pursuant to the provision of section nine L of chapter twenty-two of the General Laws, and the provisions of said section ninety-eight, as amended, and of said section ninety-three, as amended, shall apply to such police officers in the exercise of the aforesaid powers and duties. Such police officers shall not engage in the administrative activities of the authority with reference to other employees of the authority except as required in the exercise of their powers and duties as police officers and in the protection of persons and property. Section 2. The chief of police of the authority or, in the absence of the chief of police, a person designated by the board of directors of the authority to act in his stead may, upon the requisition of the mayor or chief of police or selectmen of a city or town or person however designated having the duties of chief of police, or, in the absence of the chief of police or of such person, the commanding officer, provide police officers who shall have the authority of constables and police officers within the limits of such city or town, except as to the service of civil process, and> while exercising such authority within such limits, shall have the same immunities and privileges as when acting within the limits of the authority; and the authority shall be entitled to receive from such city or town the amount paid to them for their services including their necessary traveling expenses. The mayor, selectmen or chief of police of a city or town or person however designated having the duties of chief of police, or, in the absence of the chief of police or of such person, the commanding officer, may, upon requisition of the board of directors of the authority or chief of police of the authority or, in the absence of the chief of police, a person designated by the board of directors to act in his stead, provide police officers who shall have the authority of constables and police officers within the limits of the authority, except as to the service of civil process, and while exercising such authority within the limits of the authority, shall have the same immunities and privileges as when acting within their respective cities and towns; and the city or town providing such officers shall be entitled to receive from the authority the amount paid to them for their services including their necessary traveling expenses. Section 3. A person arrested by a police officer of the authority shall be taken to a police station or other place of lawful detention within twenty-four hours after the time of such arrest, Sunday excepted, in the city or town where the arrest is made or where the car, vehicle, bus or train next stops or in any city or town of the same or adjoining county through which the car, vehicle, bus or train passes after the arrest. Complaint shall be made by the arresting officer against the person arrested for the offense for which he was arrested to a district court and such court shall have jurisdiction of the case. Acts, 1968.—