Know your plate’s rules.

Character limits, message guidelines, and the official place to start.

Find your state’s guidance below. Sources include policy pages, application instructions, and PDFs; each card explains what its source covers. Hawaii uses county guidance. These links do not confirm plate availability.

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Agency guidance

Idaho (ID)

Idaho Transportation Department

License Plates — Personalized Plates

Message guidelines, eligible vehicles, character rules, and a link to the administrative code.

Read plate guidelines Official plate service Person-to-person transfers