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. Notwithstanding sections 12 and 13 of chapter 136 and chapter 71 of the General Laws and any other general or special law to the contrary, the school department of the city of Chelsea may, at the discretion of the school committee of the city, be open for business for all purposes including the instruction of students in classrooms on June 17, 2005.

SECTION 2. This act shall take effect upon its passage.