How often is the SDN list updated?

Frequently, sometimes daily. Subscribe to OFAC email updates.

How often should I rescreen customers?

Daily batch against updated SDN. More frequently for high-risk.

Can I automate ongoing monitoring?

Yes. Batch screening, real-time transaction screening, automated alerts. Alert disposition needs humans.

What happens when a customer is newly designated?

Block accounts, freeze transactions, file blocking report within 10 business days.

How to set up ongoing sanctions monitoring

Onboarding screening is not enough. The SDN list updates frequently, and a clean customer today may be designated tomorrow.

Three monitoring layers

SDN list update process

OFAC updates frequently. Subscribe to OFAC email updates. On new designations: download updated list, batch screen all customers, investigate matches, block accounts.

Layer	Frequency	What to monitor
Customer rescreening	Daily batch	Name and entity screening vs updated SDN
Transaction screening	Real-time	Counterparty name, wallet, jurisdiction
Periodic review	Annual (minimum)	Full CDD refresh, risk rating update

API integration: SanctionsAI provides real-time screening. Insert before transaction execution. Log all results.

Screen your agent's next payment

Check any wallet, name, or entity against OFAC, EU, UN sanctions lists in real time.

Free wallet checker

Frequently Asked Questions

How often is the SDN list updated?: Frequently, sometimes daily. Subscribe to OFAC email updates.
How often should I rescreen customers?: Daily batch against updated SDN. More frequently for high-risk.
Can I automate ongoing monitoring?: Yes. Batch screening, real-time transaction screening, automated alerts. Alert disposition needs humans.
What happens when a customer is newly designated?: Block accounts, freeze transactions, file blocking report within 10 business days.