11No defence of exceptional circumstances or superior orders

#### 11 No defence of exceptional circumstances or superior orders It is not a defence in a proceeding for an offence against this Act that: (a) the act constituting the offence was done out of necessity arising from the existence of a state of war, a threat of war, internal political instability, a public emergency or any other exceptional circumstance; or (b) in doing the act constituting the offence the accused acted under orders of a superior officer or public authority; but the circumstances referred to in paragraphs (a) and (b) may, if the accused is convicted of the offence, be taken into account in determining the proper sentence.