Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

Section 1 of chapter 500 of the acts of 2004 is hereby amended by striking out paragraph (b) and inserting in place thereof the following paragraph:-

(b) Pursuant to the Memoranda of Understanding between the city of Northampton and the International Brotherhood of Police Officers, effective July 1, 2003, the following positions shall be covered by this act and the code of ordinances of the city of Northampton:- (1) all patrol officers, (2) all police sergeants, (3) all police lieutenants, (4) all police captains, and (5) the police chief. These positions shall be exempt from chapter 31 of the General Laws.