7. Section 7 of the Principal Act is amended—
(a) by inserting in subsection (2) “or casual employee” after “part-time employee”; and
(b) by adding at the end the following subsection:
“(3) If, within the period of 2 years immediately before the date on which an employee becomes entitled to long service leave in respect of a period of service, the employee ceases to be employed full time and is employed part time or as a casual employee, the ordinary remuneration for long service leave shall be calculated by dividing by 5 the total amount of salary or wages paid to the employee in the period of 5 years ending on his or her becoming so entitled.”.