7. A licence may be cancelled if its terms and conditions are breached. There will be no refund of any applicable fees if a licence is cancelled. 8. The terms and conditions of any licence issued by the Harbour Master may include, but is not limited to: (a) defining points of embarkation/disembarkation; and (b) defining the area or route of operations; and (c) limiting the number of passengers or quantity of freight; and (d) any limitations in respect of weather or operating hours; and (e) any requirements for rescue craft; and (f) any requirements for safety equipment; and (g) the level of instruction to be given to persons hiring or using a vessel; and (h) the qualification required by the person in charge of the vessel. 6.5. Offences 1. Any person who breaches or fails to comply in any respect with any provision of this Bylaw commits an offence. 6.6. General Defence 1. It shall be a defence to any prosecution for a breach of this Bylaw if the defendant proves: (a) that: (i) the action or event to which the prosecution or infringement relates was necessary for the purposes of saving or protecting life or health, or preventing serious damage to property; and (ii) the conduct of the defendant was reasonable in the circumstances; and (iii) the effects of the action or event were adequately mitigated by the defendant after it occurred. (b) that the action or event to which the prosecution relates was due to an event beyond the control of the defendant, including natural event , mechanical failure, or sabotage, and in each case either: (i) the action or event could not reasonably have been foreseen or been provided against by the defendant; and (ii) the effects of the action or event were adequately mitigated or remedied by the defendant after it occurred. (c) except with the leave of the Court, clause 6.6.1 (a) above does not apply unless, within 7 days after the service of summons or within such further time as the Court may allow, the defendant delivers to the Council a written notice: Page 30