{
  "id": "MSG-SAMPLES-USECASE",
  "slug": "msg-samples-usecase",
  "title": "Sample messages must match the declared use case",
  "statement": "The content of the samples must be consistent with the campaign use case selected.",
  "rationale": "The use case determines the consent standard, the throughput a carrier grants, and the filtering applied to your traffic. A campaign registered as ACCOUNT_NOTIFICATION that sends promotions is receiving treatment it did not qualify for, so the mismatch is a registration integrity problem rather than a labelling error.",
  "layer": "MESSAGE_CONTENT",
  "layerSlug": "message-content",
  "object": "campaign.sample[] + campaign.usecase",
  "severity": "BLOCKING",
  "detectability": [
    "AI_FORM"
  ],
  "failureClass": "RETRY_FIELD",
  "authorities": [
    "TCR",
    "Twilio",
    "Bandwidth",
    "AWS",
    "Sinch"
  ],
  "codes": [
    {
      "provider": "Twilio",
      "code": "30893",
      "remediable": true,
      "generation": "gen1"
    },
    {
      "provider": "Bandwidth",
      "code": "8200",
      "remediable": true
    }
  ],
  "applicabilityText": "Applies to every 10DLC registration.",
  "universal": true,
  "remediation": "Either change the use case to match what you actually send, or replace the off-pattern samples. If you genuinely send both promotional and transactional content, select MIXED and show both — but note that MIXED requires promotional-grade consent.",
  "example": "For ACCOUNT_NOTIFICATION: \"Acme Coffee: your payment of $24.50 was received. View receipt: https://acmecoffee.com/r/4471 Reply STOP to opt out.\"",
  "pitfalls": [
    "A single promotional sample inside an otherwise transactional set is enough to trigger this — Bandwidth codes it separately as 8200."
  ],
  "catalogIds": [
    "MSG-141"
  ],
  "phase": "approval",
  "automated": true,
  "url": "https://ekas.io/rules/10dlc/message-content/msg-samples-usecase/",
  "markdown": "https://ekas.io/rules/10dlc/message-content/msg-samples-usecase.md",
  "registry": "https://ekas.io/rules/10dlc/",
  "updated": "2026-07-25",
  "licence": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/"
}