Last reviewed: Last reviewed: 2026-08-23

Published checker test cases

These synthetic cases make checker behavior inspectable. Automated tests run against the fixed date 2026-08-23 on each content or rule update.

Deterministic fixture expectations
FixtureExpected resultBoundary covered
Clean synthetic carrier0 due, 0 missing; informational source follow-up onlyCurrent/future dates
Mixed synthetic carrierAnnual inspection, maintenance review, HOS review—in that orderOne due, one missing, one unknown
Boundary datesDue today and 365 days ago are flagged; tomorrow is notInclusive ISO-date comparison

Privacy and applicability checks

Download the fixture manifest and expected SHA-256 hashes.