Section 422 - Fine in default of imprisonment

A defendant convicted of an offence punishable by:

(a) imprisonment as well as fine, and sentenced to pay a fine, whether with or without imprisonment; or

(b) imprisonment or fine, and sentenced to pay a fine,

may be ordered to serve imprisonment, in default of payment of the fine, for a certain term, which imprisonment shall be in addition to any other imprisonment to which he may have been sentenced.