SMS compliance in Mauritania

The rules that apply to business SMS sent to numbers in Mauritania, with the source for each.

Quiet hours

No statutory quiet hours identified; send promotional SMS 08:00-20:00 local time (industry best practice). Transactional/OTP 24/7.

Source: Industry practice – no official text found

Consent

Prior opt-in consent required for promotional SMS under Law 2017-020 on personal data protection; transactional/OTP allowed within an existing service relationship.

Source: Law 2017-020 on personal data protection

Opt-out

Promotional SMS must offer a free, simple opt-out (e.g., reply STOP); honour requests promptly and suppress opted-out numbers.

Source: Operator/aggregator policy (best practice)

Prohibited content

Blocked: gambling/betting, alcohol, adult/dating, political and religious content, content offensive to public morals or Islam, phishing/fraud, unlicensed financial/crypto offers, URL shorteners.

Source: Operator content policies / national advertising law

Data protection law

Law 2017-020 on personal data protection. Supervisory authority: APD.

Source: Law 2017-020 on personal data protection

Sender ID rule

Alphanumeric SID (max 11 chars) supported; pre-registration required on some or all networks; generic SIDs (INFO, SMS, ALERT) blocked. See SenderID sheet.

Source: Operator rules (see SenderID sheet)

Other

Classify traffic as promotional or transactional; OTP/transactional must not contain marketing content; use local language or Unicode where required.

Source: Industry practice

This summary is guidance, not legal advice. Last verified 23 October 2026.