12.—(1) Where an adult worker’s daily working time is more than six hours, he is entitled to a rest break.
(2) The details of the rest break to which an adult worker is entitled under paragraph (1), including its duration and the terms on which it is granted, shall be in accordance with any provisions for the purposes of this regulation which are contained in a collective agreement or a workforce agreement.
(3) Subject to the provisions of any applicable collective agreement or workforce agreement, the rest break provided for in paragraph (1) is an uninterrupted period of not less than 20 minutes, and the worker is entitled to spend it away from his workstation if he has one.
(4) Where a young worker’s daily working time is more than four and a half hours, he is entitled to a rest break of at least 30 minutes, which shall be consecutive if possible, and he is entitled to spend it away from his workstation if he has one.
(5) If, on any day, a young worker is employed by more than one employer, his daily working time shall be determined for the purpose of paragraph (4) by aggregating the number of hours worked by him for each employer.