SINGAPORE REGULATIONS
SMS Regulations
in Singapore
To stay compliant and ensure campaign success, companies are required to follow the IMDA’s regulations and guidelines.
SMS Regulations
Why Regulations Matter
To guarantee message delivery and maintain legal compliance, all businesses—local or international—must follow national telecom regulations for SMS. This involves registering Sender IDs, securing opt-in consent, and adhering to permitted hours for promotional messages.
Local SMS Regulations
SMS Regulations for Local Companies
- All sender IDs must be registered with Singapore SMS Sender ID Registry (“SSIR”) directly by the client.
- Unregistered sender IDs will be replaced with “Likely-SCAM”
International SMS Regulations
SMS Regulations
for International Companies
All sender IDs must be registered with Singapore SMS Sender ID Registry (“SSIR”) directly by the client.
Unregistered sender IDs will be replaced with “Likely-SCAM”
Universal Best Practices
Best Practices for All Senders
Do's
Send only to users who opted in
Include free opt-out methods (link or SMS)
Use HELP/STOP keyword in user’s language
Maintain sender brand consistency
Follow message length limits
Dont's
No political, gambling, or religious content
Don’t message DND-listed numbers
Avoid generic Sender IDs
Never skip Sender ID registration
Don’t send during restricted hours
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