{
 "code": "ACM-404",
 "state": "NOT_FOUND",
 "action": "Abort transaction.",
 "page": "https://acm-404.ai/",
 "listed_issuers": {
  "state": "NOT ON THE REGISTER",
  "kind": "state",
  "when": "The security is not on the register of any of the twelve markets (not listed there, delisted, or never admitted).",
  "resolver": "https://mcp.getissuer.ai/mcp",
  "tool": "get_signal"
 },
 "cpg": "https://cpg-404.ai/",
 "standard": "https://acm-68000.org/",
 "live_test": {
  "identifier": "BRPETRACNPR6",
  "answer": {
   "signal": "ACM-404",
   "state": "NOT ON THE REGISTER",
   "meaning": "Not on the register of any of the twelve markets: do not act on it as listed.",
   "signal_page": "https://acm-404.ai/",
   "standard": "https://acm-68000.org/",
   "read_at": "2026-10-24T19:14:38.592Z",
   "identifier": "BRPETRACNPR6",
   "matched_by": "isin",
   "note": "no node of the twelve holds this identifier",
   "nodes": [
    "ca-cm-kg",
    "uk-cm-kg",
    "au-cm-kg",
    "sg-cm-kg",
    "ch-cm-kg",
    "de-cm-kg",
    "fr-cm-kg",
    "nl-cm-kg",
    "hk-cm-kg",
    "jp-cm-kg",
    "kr-cm-kg",
    "us-cm-kg",
    "it-cm-kg",
    "es-cm-kg",
    "se-cm-kg",
    "dk-cm-kg",
    "no-cm-kg",
    "fi-cm-kg",
    "be-cm-kg",
    "ie-cm-kg",
    "at-cm-kg",
    "pl-cm-kg",
    "pt-cm-kg",
    "lu-cm-kg",
    "gr-cm-kg",
    "cz-cm-kg",
    "ky-cm-kg"
   ],
   "advisory_403": "ACM-403 HALTED: this node's halt flag was not read for this record; read the market's halts page (named on its ECO page) before acting."
  }
 }
}