In this division—
"continuously employed" , in relation to a person employed for a period in a
public sector entity, means the person is employed in the entity—
(a) if the person is employed on a non-permanent basis other than a casual basis during the period—continuously for the period; or
(b) if the person is employed on a non-permanent basis that is a casual basis during the period—on a regular and systematic basis during the period; or
(c) if the person is employed on a non-permanent basis other than a casual basis, and on a casual basis, during the period—continuously under paragraphs (a) and (b) for the period.