Unmeasured working time

20.  Regulations 4(1) and (2), 6(1), (2) and (7), 10(1), 11(1) and (2) and 12(1) do not apply in relation to a worker where, on account of the specific characteristics of the activity in which he is engaged, the duration of his working time is not measured or predetermined or can be determined by the worker himself, as may be the case for—

(a)managing executives or other persons with autonomous decision-taking powers;

(b)family workers; or

(c)workers officiating at religious ceremonies in churches and religious communities.