18Basis and making of contributions

#### 18 Basis and making of contributions 18 Basis and making of contributions > > (1) Contributions under this Part shall be calculated on the basis of contribution periods, and the contributions payable in respect of a contribution period shall be paid to STC within 7 days after the last day of the contribution period to which they relate. > > > (2) The regulations may make provision for or with respect to the determination of salary for the purposes of this Part, where part-time work, irregular employment, leave without pay, secondment or a break in employment is involved. > > **s 18:** Am 1996 No 39, Sch 4.