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Indiana Boat Number Display Laws

Indiana boat registration numbers must be displayed correctly on your vessel so they are easy to read and properly spaced. Use the guide below, then design your boat number decals below.

Indiana Display Requirements

Indiana requires registration numbers to be shown on both sides of the forward half of the boat. The numbers must be clearly visible, read from left to right, and use plain block characters at least 3 inches high. Excise tax decals must be placed to the right of and within 3 inches of the registration number on both sides. :contentReference[oaicite:0]{index=0}

IN 1234 AB

Indiana boat numbers are typically displayed as IN 1234 AB or IN-1234-AB. Indiana also requires spaces or hyphens between the groups that are equal to the width of a letter other than “I” or a number other than “1.” :contentReference[oaicite:1]{index=1}