Night workers
24.—(1) Where a claimant works for a continuous period which extends over midnight into the following day, that claimant is to be treated as having limited capability for work on the day on which the lesser part of that period falls if that claimant had limited capability for work for the remainder of that day.
(2) Where, in relation to a period referred to in paragraph (1), the number of hours worked before and after midnight is equal—
(a)if the days in question fall at the beginning of a period of limited capability for work, the claimant is to be treated as having limited capability on the second day; and
(b)if the days in question fall at the end of a period of limited capability for work, the claimant is to be treated as having limited capability for work on the first day.