1. (a)A vessel engaged in fishing, whether underway or at anchor, shall exhibit only the lights and shapes prescribed in this Rule.
2. (b)A vessel trawling shall exhibit two all-round lights in a vertical line, the upper green and the lower white, or a shape of two cones apices together, and when making way through the water also sidelights and a sternlight.
3. (c)A vessel engaged in fishing other than trawling shall exhibit two all-round lights in a vertical line, the upper red and the lower white, or the two-cone shape; when its gear extends more than 150 metres horizontally, an all-round white light or a cone apex up in the direction of the gear; and when making way also sidelights and a sternlight.
4. (d)The additional signals of Annex II apply when fishing in close proximity to other fishing vessels.
5. (e)A vessel not engaged in fishing shall not exhibit these lights or shapes.