The export carries two layers per row. Federal fields live in a shared block keyed only by vessel type because the rule is the same across states. State fields carry the registration threshold, the education rule, the operator age, and the BUI penalty. The base page renders both layers in one combined section.

Update the education_age field on every row for that state, or update a single state-level row in a normalized schema that propagates through the export. The cache refresh stamps the new value into every URL for that state on the next render. The roster file becomes the source of truth.

Yes. Carry a passenger_lifejacket field that holds the youth age threshold and the rule. The list mapping renders the threshold as a callout near the equipment list. Some states require life jackets for under 13, others for under 12, and a few have no state-level rule beyond the federal baseline.

A conditional mapping checks the registration field and either renders the registration form link or shows a not-required notice. Canoes and kayaks under a state threshold often skip registration entirely, while the same craft over the threshold or with a motor falls back into the registration requirement.

Yes. Run a second page group at /es/boating-regulations/{slug}/ that points at a translated version of the export. The data structure is identical and the base page mirrors the English layout. Cross-link the two URLs through a hreflang block driven by a meta mapping on each row.

Add a trailer block as a third layer. Trailer rules cover towing speed limits, trailer registration, brake requirements by weight, and inspection lanes for invasive species. The block renders only when the vessel row includes a trailer flag, so non-trailerable vessels like rental kayaks skip the block.

Charter rules are a separate page group at /boating-regulations/charter/{slug}/. They cover captain license requirements, passenger limits, and commercial insurance thresholds. The data source is a different roster and the audience is operators rather than recreational boaters.

Each state regulation page links to the official agency rule page in the header and the footer, and the page makes clear that the content is a summary. The base page carries a disclaimer block fed by a meta mapping that injects the link to the official PDF for any reader.