5. That part of the hours between 11 in the evening of 31st December 1999 and half past 11 in the morning of 1st January 2000 which comprises—
(a)the period of an entertainment; and
(b)periods, not exceeding 30 minutes in each case, which immediately precede the commencement and immediately succeed the termination of an entertainment,
shall be added to the permitted hours for a place of public entertainment.