23.—(1) For the purposes of this regulation, “national insurance contributions” means contributions under Part 1 of the Social Security Contributions and Benefits Act 1992(1).
(2) Subject to paragraph (3), in calculating the disposable income of the individual, any income tax and national insurance contribution paid on that income in respect of the period of calculation must be deducted.
(3) Where an application is made for family help (higher) or legal representation, in calculating the disposable income of the individual any income tax and national insurance contribution payable on that income in respect of the period of calculation must be deducted.