What are the size and requirements for Missouri boat numbers?

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MO Numbers serves same function as a motor vehicle's license plate; are permanently affixed on each side of the forward half of the vessel; usually remain assigned to the same vessel when ownership transfers, except in certain situations; and consist of two alpha characters followed by four numeric characters and two more alpha characters, example: MO 1234 AB.

The registration number assigned to a boat/vessel shall be attached to each side of the forward half of the boat/vessel in such position as to provide clear legibility. Black or dark numbers should be used on light hulls, and white or light numbers should be used on dark colored hulls, providing a sharp contrast.

The registration numbers shall read from left to right, and shall be in block characters of good proportions, not less than 3 inches in height. The numbers must be divided into parts. The letters, prefix and suffix, shall be separated from the numbers by 2 inch spaces. A hyphen may be used within the 2 inch space.

No number other than the registration number awarded to a boat/vessel or granted reciprocity shall be painted, attached, or otherwise, displayed on either side of the bow of the boat/vessel.