SECTION 1. Notwithstanding any general or special law to the contrary, John G. LeLacheur, the chief of the city of Beverly police department, may be appointed and may continue to serve in such position until he reaches 70 years of age, the date of his retirement or the date he is relieved of his duties by the mayor of the city of Beverly, whichever occurs first; provided, however, that he is mentally and physically capable of performing the duties of the position. The city of Beverly may require, at its own expense, that John G. LeLacheur be examined by an impartial physician designated by the city to determine his mental and physical capability. No further deductions shall be made from the regular compensation of John G. LeLacheur pursuant to chapter 32 of the General Laws for any service subsequent to reaching the age of 65 years old and upon retirement John G. LeLacheur shall receive a superannuation retirement allowance equal to that which he would have been entitled had he retired upon reaching the age of 65 years old.

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