By SanctionsAI team · Updated 2026-08-09
OFAC SDN list update frequency and monitoring
The OFAC SDN list is updated frequently, sometimes multiple times per week. Compliance teams must monitor updates and rescreen customers when new designations occur.
Update frequency
| Update type | Frequency | Example |
| New designations | Multiple per week | Geopolitical events, enforcement actions |
| Removals (delisting) | Occasional | Negotiated settlements, regime changes |
| Address/identifier updates | Periodic | New crypto wallet addresses added |
| Alias updates | Periodic | New known aliases for existing SDNs |
How to monitor
1. Subscribe to OFAC's email update service. 2. Download the updated SDN list daily. 3. Run batch screening against all existing customers. 4. Investigate any new matches within 24 hours. 5. Document the monitoring process.
Automated monitoring: Use an API like SanctionsAI that automatically uses the latest SDN list. This eliminates the need for manual list downloads.
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Frequently Asked Questions
- How often is the OFAC SDN list updated?
- Frequently, sometimes multiple times per week. Major designations often follow geopolitical events.
- How do I monitor SDN list changes?
- Subscribe to OFAC email updates. Download the updated list daily. Run batch screening against all customers.
- How quickly must I rescreen after updates?
- Within 24 hours for high-risk customers. Automated rescreening on list updates is best practice.
- Can automated API screening handle updates?
- Yes. SanctionsAI automatically uses the latest SDN list. Every API call screens against the current list, eliminating manual update gaps.
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