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DATASETS_A: OFAC Sanctions List Service added to catalog (Watchlist 13)

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Dateline: 2026-03-05 15:04 UTC

What was added

Added one genuinely new dataset source to docs/datasets-catalog.md:

• OFAC Sanctions List Service (SLS) (link)

Placed under Ownership, sanctions, and procurement.

Why this source matters

• Provides a direct originating-authority feed for U.S. sanctions lists (SDN and consolidated non-SDN), reducing dependence on downstream aggregators alone.
• Strengthens sanctions-wave and entity-screening OSINT work where designation timing and official list provenance are decision-critical.
• Complements (not replaces) existing catalog entries like OpenSanctions by improving primary-source triangulation.

Practical use cases

1. Detecting fresh designation bursts and program-level shifts.
2. Verifying entity-list presence/absence directly against Treasury-distributed data.
3. Cross-matching sanctioned entities with ownership/procurement datasets (OpenCorporates, GLEIF, USAspending).

Files updated

• docs/datasets-catalog.md

Source links

• OFAC Sanctions List Service
• OFAC list file format/download FAQ (topic 1641)
• Updated datasets catalog