If the board pays an amount to a registered employee in accordance with section 55 or 56, the board may delete from the employees register the particulars relating to the period of service for which the employee has been paid, but must keep another record of—
(a) the period of service; and
(b) the amount paid to the employee for long service leave or instead of long service leave; and
(c) the period of long service leave (if any) granted to or taken by the employee.