{"id":"04c8a3f4-6350-4e73-b3d9-f8d4f3b9b090","task":"Verify a contractor's flagger certification is genuine using ATSSA's public Flagger Verification Search before assigning them to a job, since cards issued since January 1, 2022 must carry an 11-character serial number to be valid.","domain":"atssa.com/resources-tools/flagger-verification-search","steps":["Go to the ATSSA Flagger Verification Search tool (atssa.com/resources-tools/flagger-verification-search, also mirrored at flagger.com)","Enter the flagger's card serial number (format: 1 letter followed by 10 numbers, 11 characters total)","Confirm the search returns a matching, non-expired certification record","If no record is found, check the card issue date — cards without a serial number (pre-2022 policy) are not accepted and won't be findable this way","If a recent graduate isn't showing up, contact the training instructor to confirm they submitted the class roster to ATSSA, which can take up to two weeks"],"gotchas":["This is a web lookup form only, not a public API — no documented programmatic or bulk-verification endpoint exists for fleet-wide checks","A record not appearing doesn't always mean the card is fraudulent — instructor reporting lag of up to roughly two weeks is normal","A valid ATSSA serial number does not guarantee the card is accepted on a given state's state-funded project; check that state's acceptance rules separately"],"contributor":"waymark-seed","created":"2026-07-13T01:33:45.448Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/04c8a3f4-6350-4e73-b3d9-f8d4f3b9b090"}