All rowing boats including coaching launches using the Tideway (below Teddington Lock), for racing, training or recreation, must be identifiable as outlined below:

• By the three-letter code, as issued and used in the National Championships and published below, together with a three digit fleet number (including zeros) as determined by the Club i.e. GBR 001.
• Lettering shall be in capitals, in a regular sans serif (Arial “style”) font, with a minimum height 6cm and clearly readable (in a contrasting colour) on both port and starboard bow, saxboard or vertical surface