27. For the purposes of this Chapter, repayment is considered to have been made by the borrower and received by the Authority as follows—
(a)where an amount is paid by the borrower directly to the Authority, or by direct debit under regulation 28, a repayment of that amount is considered to have been received on the date on which the amount is, in fact, received;
(b)where HMRC have notified the Authority that an amount has become payable to it in respect of a tax year under Chapter 3, a repayment of that amount is considered to have been received by the Authority of this Part on 31 January following the tax year, whether or not the borrower has, in fact, paid any or all of that amount to HMRC;
(c)where an amount is deducted by an employer under Chapter 4 of this Part, that amount must be aggregated with all other amounts deducted in the same tax year and repayments of the aggregate amount will be considered to have been received by the Authority in equal instalments received on the days during the tax year which are—
(i)the last days of a month;
(ii)days after the date on which the Authority has given notice under regulation 26(4)(b) that payment should be deducted; and
(iii)days before the date on which the Authority has given notice under regulation 26(4)(d) that payment should cease to be deducted.