Regulation 5(2) The height of the markings on the hull or superstructure of a fishing craft in respect of the height of the registration or of the identity letters and numbers shall in the case of(a) a fishing craft of twenty-five metres length overall and above, the height of the markings shall not be less than one hundred centimetres;(b) a fishing craft of twenty metres or more but less than twenty-five metres length overall, the height of the markings shall not be less than eighty centimetres;(c) a fishing craft of fifteen metres or more but less than twenty meters length overall, the height of the markings shall not be less than sixty centimetres;(d) a fishing craft of twelve metres or more but less than fifteen metres length overall, the height of the markings shall not be less than forty centimetres; or(e) a fishing craft of five metres or more but less than twelve metres length overall, the height shall not be less than thirty centimetres.