Regulations for the Navy Part IIICentral Regulations · 1957
(1) The retaining fee shall be payable in arrears.
(2) The first payment shall be made on 1st April of the year following that in which the officer satisfactorily completes his initial obligatory training. It shall be calculated as a proportion of the full annual retaining fee, that is to say, the proportion which the number of days subsequent to the date of entry bears to the number of days in the financial year.
(3) Subsequent retaining fee shall be paid on the 1st of April each year provided that the conditions specified in Regulation 397 are satisfied,