(1) This Division applies to any ongoing engagement of a contractor that is—
(a) of no fixed duration; or
(b) for a period of at least 30 days.
(2) A contractor's engagement is to be regarded as ongoing—
(a) despite any interruption or ending of the engagement by the hirer if the interruption or ending is made or done with the intention of avoiding obligations under this Division; and
(b) irrespective of the number of regulated contracts under which the contractor is engaged during the engagement.