15Defences

15 Defences (1) Each of the following is a defence to a prosecution for an offence against section 14: (a) the discharge was necessary for the purpose of securing the (b) the discharge of a substance containing oil was made in an attempt to minimise the damage from pollution arising from a specific pollution incident and was approved by an authorised officer; (c) the discharge was authorised by an authorised officer for training purposes. (2) It is a defence to a prosecution for an offence against section 14 if: prevent as far as is reasonably practicable the discharge of oil as a result of damage to the ship or equipment; minimise the discharge of the oil. (3) For the purposes of subsection (2)(a), damage to a ship or its equipment is intentional damage only if the damage arose in circumstances in which the ship's owner or master: