(a) which deviates from its voyage, unless forced to do so by circumstances beyond the control of the master, the proof whereof shall lie on the master; or

(b) which, having deviated from its voyage or having taken on board a wreck or other goods or discharged goods in the course of a voyage, does not forthwith proceed directly to the nearest port or place in Kenya and explain the circumstances thereof to the satisfaction of the proper officer and deliver the wreck or other goods taken on board to proper officer,

shall be guilty of an offence and any goods in respect of which the offence has been committed shall be liable to forfeiture, and the aircraft or vessel in relation to which the offence has been committed may be seized and detained until the fine is paid.