273Payments securing widows' and children’s annuities
Subject to sections 274, 617(3) and 619(6), if the claimant is, under any Act of Parliament or under the terms or conditions of his employment, liable to the payment of any sum, or to the deduction from his salary or stipend of any sum, for the purpose of securing a deferred annuity to his widow or provision for his children after his death, he shall be entitled to a deduction from the amount of income tax with which he is chargeable equal to income tax at the basic rate on the amount of the sum paid by him or deducted from his salary or stipend.