Mass. Gen. Laws ch. 29 § 3B
The Massachusetts Bay Transportation Authority and the several regional transit authorities shall annually, on or before September 15, submit to the state budget director, the joint committee on transportation, the house and senate committees on ways and means and the Massachusetts Bay Transportation Authority advisory board (1) statements showing planned expenditures for the current fiscal year and the subsequent fiscal year; provided, however, that said statements shall detail planned expenditures according to program and to the expenditure classification plan promulgated by the state comptroller under section 27; and (2) a statement detailing the number of full time equivalent employees of the authority for the current fiscal year and an estimate of the number of full time equivalent employees for the subsequent fiscal year. The state budget director and the state comptroller shall establish such procedures as they deem necessary to implement and enforce this section.
Mass. Gen. Laws ch. 29, § 3B