{
  "id": "OPS-141",
  "slug": "ops-141",
  "title": "One approved number is controlled by one party",
  "statement": "Sub-aggregation is prohibited: no more than one party may control the content sent from, or the numbers receiving on, a single approved number.",
  "rationale": "The registration says who is behind a number, and sub-aggregation makes that untrue — the consumer receives messages from an entity that was never vetted, and a complaint traces back to a brand that did not send it. It also breaks the one-opt-in-per-message-sender rule underneath, because consent given to one party is being used by another. Agencies and franchise groups arrive here honestly, by provisioning centrally and letting each client send.",
  "layer": "OPERATIONAL",
  "layerSlug": "operational",
  "object": "number to content-provider mapping",
  "severity": "BLOCKING",
  "detectability": [
    "AI_FORM"
  ],
  "failureClass": "HARD_STOP",
  "authorities": [
    "T-Mobile",
    "AT&T",
    "Verizon",
    "CTIA",
    "Bird",
    "Vonage"
  ],
  "applicabilityText": "Applies to every 10DLC registration.",
  "universal": true,
  "remediation": "Register a separate brand and campaign for each party whose content goes out, and give each its own numbers. Where a shared arrangement is genuinely needed, get it approved and keep the sender register OPS-142 describes rather than operating it informally.",
  "notes": "Absorbs OPS-266 and MSG-140, which state the same prohibition from the shared-number and message-content sides. Partly visible in what a submission describes and not settleable from it — the arrangement lives in an operating model rather than in a field. What the user has to establish is who can send from each number today, and register a separate brand per party where the answer is more than one. OPS-367 is the ISV form of the same requirement.",
  "catalogIds": [
    "OPS-266",
    "MSG-140"
  ],
  "phase": "post",
  "automated": true,
  "url": "https://ekas.io/rules/10dlc/operational/ops-141/",
  "markdown": "https://ekas.io/rules/10dlc/operational/ops-141.md",
  "registry": "https://ekas.io/rules/10dlc/",
  "updated": "2026-07-25",
  "licence": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/"
}