{
  "dot_number": 1637366,
  "legal_name": "CARLOS SIERON",
  "status": "active",
  "checks": [
    {
      "rule": "authority_active",
      "state": "PASS",
      "detail": "Registration active in the census record.",
      "fields": [
        "status_code"
      ]
    },
    {
      "rule": "allowed_to_operate",
      "state": "UNKNOWN",
      "detail": "Not queried. Requires the live FMCSA API; the census file does not carry this field. We never default it to pass.",
      "fields": [
        "allowed_to_operate"
      ]
    },
    {
      "rule": "bipd_on_file",
      "state": "UNKNOWN",
      "detail": "Absence from the gap release is not proof of coverage; the release only lists carriers with no filing. Query the live API to confirm.",
      "fields": [
        "bipd_file"
      ]
    },
    {
      "rule": "mcs150_current",
      "state": "FAIL",
      "detail": "Last MCS-150 filing 2015-10-20, older than 24 months. Record details may be stale.",
      "fields": [
        "mcs150_date"
      ]
    },
    {
      "rule": "contact_complete",
      "state": "PASS",
      "detail": "Partial: phone only. Not a flag.",
      "fields": [
        "phone",
        "email_address"
      ]
    },
    {
      "rule": "shared_identifier_suppressed",
      "state": "FAIL",
      "detail": "Suppressed as identity key: phone 4052830698. Do not infer common ownership from this value.",
      "fields": [
        "phone",
        "phy_street",
        "phy_city",
        "phy_state"
      ]
    },
    {
      "rule": "no_involuntary_revocation",
      "state": "FAIL",
      "detail": "2 involuntary revocation(s) in the FMCSA history. This is a historical fact, not current status - the carrier may hold valid authority again today. Check the authority check above.",
      "fields": [
        "dot_number"
      ]
    },
    {
      "rule": "out_of_service_order",
      "state": "PASS",
      "detail": "No out-of-service order in the FMCSA record.",
      "fields": [
        "dot_number"
      ]
    },
    {
      "rule": "authority_age",
      "state": "PASS",
      "detail": "Registered 2007-04-26 (7120 days ago, ~19.5 years). Context only; new authority is a higher-risk cohort, not a verdict.",
      "fields": [
        "add_date"
      ]
    }
  ],
  "record": {
    "dot_number": 1637366,
    "legal_name": "CARLOS SIERON",
    "dba_name": "C A S TRANSPORTATION",
    "status_code": "A",
    "phy_street": "1513 LARKS NEST CT",
    "phy_city": "ORLANDO",
    "phy_state": "FL",
    "phy_zip": "32824",
    "phy_country": "US",
    "phone": "4052830698",
    "email_address": null,
    "company_officer_1": "CARLOS SIERON",
    "company_officer_2": null,
    "mc_number": "603477",
    "truck_units": 1,
    "power_units": 1,
    "total_drivers": 1,
    "total_cars": null,
    "total_cdl": 1,
    "total_intrastate_drivers": 0,
    "recordable_crash_rate": 0.0,
    "mcs150_date": "20151020",
    "add_date": "20070426",
    "safety_rating": null,
    "carrier_operation": "C",
    "classdef": "AUTHORIZED FOR HIRE",
    "mcs150_mileage": 100,
    "mail_street": "2410 W MEMORIAL RD STE C 533",
    "mail_city": "OKLAHOMA CITY",
    "mail_state": "OK",
    "mail_zip": "73134",
    "hm_ind": "N",
    "gen_freight": "X",
    "name_norm": "CARLOS SIERON",
    "phone_norm": "4052830698"
  },
  "provenance": {
    "dataset": "az4n-8mr2",
    "source_rows_updated_at": "2026-10-21",
    "source_sha256": "73d4c5901abe8cdb",
    "rulebook": "v1",
    "retrieved_at": "2026-10-23T16:45:22.804556+00:00"
  }
}