21. (1) A person shall not carry on a public health risk activity declared to be licensable under subsection 18 (3) unless the person—
(a) is the holder of an activity licence in relation to the activity; or
(b) is a defined influential person in relation to the holder of an activity licence in relation to the activity.
Penalty:
(a) if the offender is a natural person—50 penalty units or imprisonment for 6 months, or both;
(b) if the offender is a body corporate—250 penalty units.
(2) A person shall not carry on a public health risk activity declared to be licensable under subsection 18 (3) except in accordance with an activity licence.
Penalty:
(a) if the offender is a natural person—50 penalty units;
(b) if the offender is a body corporate—250 penalty units.
(3) This section does not apply to a person who is exempt under section 22.