I got some information after calling around. I'm missing most of the bills mentioned above.
AN ACT RELATIVE TO ISSUING MOTOR VEHICLE CITATIONS ON STATE AND COMMUNITY COLLEGE CAMPUSES
Section 1 of Chapter 90C of the General Laws as appearing in the 1994 Official Edition, is hereby amended by striking out the definition of "Police chief" and inserting in place thereof the following definition:
Police Chief, the chief or the head of the organized police department of a city or town, the commissioner of public safety, the colonel of state police, the state superintendent of buildings, the chairman of the Massachusetts Turnpike Authority, such persons as the trustees of the University of Massachusetts shall appoint as chief of the police officers appointed under section thirty-two A of chapter seventy-five, such persons as the trustees of the Commonwealth's state and community colleges shall appoint as chief of the police officers appointed under section twenty-two of chapter fifteen A, such persons as the commissioner of mental health may designate at each institution of the department of mental health, or as the commissioner of mental retardation as the chief of the special police officers thereat appointed under section fifty-nine of chapter twenty-two C or the chief of the Massachusetts Bay Transportation Authority police department.
SECTION 2. Said Section 1 of said chapter 90C, as so appearing, is hereby further amended by striking out the definition of "Police Officer" and inserting in place thereof the following definition:
Police Officer, any officer, other than an investigator or examiner of the transportation division of the department of public utilities, authorized to make arrests or serve criminal process, any person appointed by the registrar under section twenty-nine of chapter ninety, any person appointed by the trustees of the University of Massachusetts under section thirty-two A of chapter seventy-five, any persons appointed by the trustees of the Commonwealth's state and community colleges as police officers under section eighteen of chapter seventy-three and any person appointed by the colonel of state police under section fifty-nine of chapter twenty-two C.
RELATIVE TO THE POWERS AND DUTIES OF THE SHERIFF’S DEPARTMENT
Section 13 of chapter 37 of the General Laws is hereby amended by inserting after the first sentence the following new sentence:-
The County Sheriff’s Department’s powers and duties shall be limited to County owned property only.
Also, #646 pertains to the appointment of SSPOs under the Humane Society (I think it was the Humane Society, at least)