{
  "id": "CMP-SAMPLE-DUP",
  "slug": "cmp-sample-dup",
  "title": "Sample messages must not be duplicates",
  "statement": "Sample messages must be materially different from one another.",
  "rationale": "Identical samples pad a field count without showing a reviewer anything about the program. This catches the exact-duplicate case cheaply in code; the harder question of whether two differently-worded samples are materially different is judged separately by MSG-SAMPLES-DISTINCT.",
  "layer": "CAMPAIGN",
  "layerSlug": "campaign",
  "object": "campaign.sample[]",
  "severity": "HIGH",
  "detectability": [
    "DETERMINISTIC"
  ],
  "failureClass": "RETRY_FIELD",
  "authorities": [
    "Twilio",
    "TCR"
  ],
  "applicabilityText": "Applies to every 10DLC registration.",
  "universal": true,
  "remediation": "Replace duplicated samples with genuinely different messages the campaign will send.",
  "example": "Each sample should describe a different scenario: a promotion, an order update, an event.",
  "catalogIds": [
    "CMP-149"
  ],
  "phase": "approval",
  "automated": true,
  "url": "https://ekas.io/rules/10dlc/campaign/cmp-sample-dup/",
  "markdown": "https://ekas.io/rules/10dlc/campaign/cmp-sample-dup.md",
  "registry": "https://ekas.io/rules/10dlc/",
  "updated": "2026-07-25",
  "licence": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/"
}