"7. Additional Time Occasions when time worked will be paid for are as follows: Disruption/late running (official turn) After "
"13 Right not to suffer unauthorised deductions (1) An employer shall not make a deduction from wages of a worker employed by him unless— (a) the deduction is required or authorised to be made by virtue of a statutory provision or a relevant provision of the worker's contract, or (b) the worker has previously signified in writing his agreement or consent to the making of the deduction. (2) … (3) Where the total amount of wages paid on any occasion by an employer to a worker employed by him is less than the total amount of the wages properly payable by him to the worker on that occasion (after deductions), the amount of the deficiency shall be treated for the purposes of this Part as a deduction made by the employer from the worker's wages on that occasion"