Executive Order 13664: Blocking Property of Certain Persons With Respect to South Sudan
President: Barack Obama
Authorized asset freezes against people threatening peace, attacking civilians, obstructing aid or recruiting child soldiers in South Sudan.
Status: In effect.
Is Executive Order 13664 still in effect? Yes. Active targeted sanctions program under EO 13664 and 31 CFR part 558.
What does Executive Order 13664 do?
EO 13664 declared a national emergency as South Sudan’s civil conflict deepened. Treasury may block leaders and other persons responsible for violence, human-rights abuses, attacks on peacekeepers or humanitarian operations, obstruction of reconciliation, or recruitment of child soldiers, along with their supporters. OFAC continues to list South Sudan sanctions as an active program.
Before and after
Before the order
The United States lacked a South Sudan-specific blocking program for conflict spoilers and abusers.
After the order
Treasury could designate responsible actors and support networks while licensing lawful activities.
Who had to do what
| Agency / office | Action | Timing / position |
|---|---|---|
| Treasury OFAC | Designate block license and enforce | Continuing |
| US persons | Block and report designated property | Continuing |
| Humanitarian organizations | Use applicable exemptions and licenses | Continuing |
What happened next
EO 13664 declared the emergency.
Legal and source detail
How it works legally
IEEPA, the National Emergencies Act and 31 CFR part 558 govern the program. Humanitarian exemptions and licenses must be read with the specific transaction facts.
Sources by type
If a source is unavailable, first check the cited publisher or another official repository. The cited publisher remains the authority.
Primary and official sources
Orders, laws, court records and official implementation material.
- eCFR — 31 CFR part 558 (opens in a new tab) Official record
How we checked this
Last checked against the sources above on September 15, 2026. How we research →