[63C Complaints to employment tribunals]
[63C Complaints to employment tribunals]

[(1)     An employee may present a complaint to an employment tribunal that—

(a)     his employer, or the principal referred to in subsection (3) of section 63A, has unreasonably refused to permit him to take time off as required by that section, or

(b)     his employer has failed to pay the whole or any part of any amount to which the employee is entitled under section 63B.

(2)     An employment tribunal shall not consider a complaint under this section unless it is presented—