An accountable officer shall—
(a) retain the counterfoil or duplicates remaining in a book of pre-printed cheques after the pre-printed cheques have been drawn manually, together with any spoilt cheques, until the counterfoil or duplicates are verified by the Director of Audit; and
(b) send the counterfoil or duplicates in a book of pre-printed cheques, together with any spoilt cheques, to the Accountant General immediately after the counterfoil or duplicates are verified by the Director of Audit.