65Period and rate of allowance
(1)Subject to the following provisions of this Act, the period for which a person is entitled to an attendance allowance shall be—
(a)a period throughout which he has satisfied or is likely to satisfy the day or the night attendance condition or both; and
(b)a period preceded immediately, or within such period as may be prescribed, by one of not less than 6 months throughout which he satisfied, or is likely to satisfy, one or both of those conditions.
(2)For the purposes of subsection (1) above a person who suffers from renal failure and is undergoing such form of treatment as may be prescribed shall, in such circumstances as may be prescribed, be deemed to satisfy or to be likely to satisfy the day or the night attendance condition or both.
(3)The weekly rate of the attendance allowance payable to a person for any period shall be the higher rate specified in Schedule 4, Part III, paragraph 1, if both as regards that period and as regards the period of 6 months mentioned in subsection (1)(b) above he has satisfied or is likely to satisfy both the day and the night attendance conditions, and shall be the lower rate in any other case.
(4)A person shall not be entitled to an attendance allowance for any period preceding the date on which he makes or is treated as making a claim for it.
(5)Notwithstanding anything in subsection (4) above, provision may be made by regulations for a person to be entitled to an attendance allowance for a period preceding the date on which he makes or is treated as making a claim for it if such an allowance has previously been paid to or in respect of him.
(6)Except in so far as regulations otherwise provide and subject to section 66(1) below—
(a)a claim for an attendance allowance may be made during the period of 6 months immediately preceding the period for which the person to whom the claim relates is entitled to the allowance; and
(b)an award may be made in pursuance of a claim so made, subject to the condition that, throughout that period of 6 months, that person satisfies—
(i)both the day and the night attendance conditions, or
(ii)if the award is at the lower rate, one of those conditions.