19.—(1) The contributions—E+W+S
(a)are payable from the start of the payment period,
(b)continue to be payable while the person is in pensionable employment or paying additional contributions under regulation C9 of TPR 1997 or regulation 19, and
(c)cease to be payable if the person dies or becomes entitled to retirement benefits before the end of the payment period.
(2) Where the person is paying additional contributions under old regulation C9 of TPR 1997 or regulation 19 for any financial year, the family benefit contributions for that financial year are calculated by reference to the notional salary on which the additional contributions are payable and must be paid to the Secretary of State by the same day as the additional contributions.