Why This Rejection Happens
Your Opt-in Confirmation Message did not include the mandatory warning that receiving texts may cost the user money.
Root Cause Analysis
The Fix
Insert the phrase verbatim. Do not get creative ("Standard rates apply" is sometimes rejected by stricter validators).
✓ Correct Message
"Welcome! Msg & data rates may apply. Msg freq varies. Reply HELP for help, STOP to cancel."
✗ Incorrect Message
"Thanks for subscribing. It's free to join!" (Misleading if carrier charges for SMS)
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What reviewers check for code 6005
The opt-in confirmation message is the first text sent after someone joins. Carriers require it to confirm the enrollment and restate the program terms, because it is the subscriber's written record of what they agreed to. Reviewers check the sample confirmation message you submit for the brand name, a description of the program, message frequency, "Msg & data rates may apply", HELP instructions and STOP instructions.
For code 6005 (Opt-in Msg Missing Fee Disclosure), the missing piece is the "Msg & data rates may apply" disclosure. Every opt-in point must say "Msg & data rates may apply" (or "Message and data rates may apply"). This phrase is a carrier requirement even when your business charges nothing for the program.
Where code 6005 comes from
Code 6005 is a campaign review reason code used to report a specific deficiency found during manual campaign vetting. CSPs surface it in the rejection notice alongside any other codes found in the same review, so check for companion codes before resubmitting. It is marked High severity: it blocks approval, but it is fully fixable by correcting the submission and resubmitting.
Example: opt-in confirmation message for a real estate brokerage
The example below uses a fictional real estate brokerage, Harbor Key Realty, to show the difference between a submission that triggers code 6005 and one that passes.
Rejected:
Harbor Key Realty: You're subscribed to listing alerts and showing confirmations. Up to 10 msgs/month. Reply HELP for help. Reply STOP to opt out.
Approved:
Harbor Key Realty: You're subscribed to listing alerts and showing confirmations. Up to 10 msgs/month. Msg & data rates may apply. Reply HELP for help. Reply STOP to opt out.
Fix and verify before resubmitting
- Submit the exact confirmation text your platform sends, not a paraphrase.
- Add the "Msg & data rates may apply" disclosure where code 6005 flagged it, using the approved wording for Harbor Key Realty's program shown above.
- Keep it within two segments if possible so carriers do not truncate the disclosures.
- Trigger the flow with a test number and compare the live message with the submitted sample.
- Make sure no marketing offer is placed before the required disclosures.
- Confirm the same message is sent for every opt-in path (keyword, web, verbal).
- Resubmit with a note that references code 6005 and quotes the corrected "Msg & data rates may apply" disclosure.
Sample resubmission note
Many CSPs let you add a note for the reviewer when you resubmit. A short, specific note shows what changed and speeds up the second review. Example for Harbor Key Realty:
Harbor Key Realty corrected the deficiency reported as code 6005 (Opt-in Msg Missing Fee Disclosure). Changes made: submit the exact confirmation text your platform sends, not a paraphrase; add the "Msg & data rates may apply" disclosure where code 6005 flagged it, using the approved wording for Harbor Key Realty's program shown above; keep it within two segments if possible so carriers do not truncate the disclosures. All URLs, keywords and auto-replies were re-tested from an external network before this resubmission, and the campaign text now matches the live opt-in exactly.
Common mistakes that keep code 6005 coming back
- Writing "standard rates apply" or "free" instead of the required phrase.
- Assuming the disclosure is unnecessary because the program is free.
- Including it in the confirmation text but not at the opt-in point.
- Editing the sample in the campaign but not the auto-reply the platform actually sends.
Related rejection codes
- Code 2107: Verbal Script Missing Fee Disclosure
- Code 3006A: CTA Missing Fee Disclosure
- Code 2136: Opt-in Instructions Missing Fee Disclosure
- Code 2116: Opt-in Form Missing Fee Disclosure
- Code 6006: Opt-in Confirmation Msg Missing
- Code 6004: Opt-in Msg Missing Frequency Disclosure
- Code 6003: Opt-in Msg Missing STOP Info
- Code 6002: Opt-in Msg Missing HELP Info
Frequently asked questions about code 6005
Does code 6005 mean the whole campaign is non-compliant?
No. Code 6005 points to one gap: the "Msg & data rates may apply" disclosure in your opt-in confirmation message. Fix that gap, check the rest of the submission against the same checklist, and resubmit. Reviewers often list only the first deficiency they find, so a full self-check prevents a second rejection.
Where exactly should the "Msg & data rates may apply" disclosure appear?
Put the required elements in the opt-in confirmation text itself, ideally in the first segment. Every opt-in point must say "Msg & data rates may apply" (or "Message and data rates may apply").
Do I fix my live opt-in confirmation message or only the campaign text?
Both. Change the auto-reply in your messaging platform and paste the identical text into the campaign's opt-in message field.