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  1. Fonteum
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  5. OFAC
Federal Contracting · Fonteum Data GlossaryRegulatory

What is OFAC?

OFAC is the U.S. Treasury office that administers and enforces economic and trade sanctions. It publishes the SDN List and non-SDN sanctions lists, runs Sanctions List Search, and issues rules, licenses, and guidance that tell U.S. persons what transactions are blocked or restricted.

Full name: Office of Foreign Assets Control

Short explanation

The Office of Foreign Assets Control (OFAC) is the Treasury bureau responsible for administering U.S. economic and trade sanctions based on national-security and foreign-policy authorities. OFAC publishes sanctions lists, including the Specially Designated Nationals and Blocked Persons List, and provides search tools, data files, regulations, licenses, and public guidance for sanctions compliance.

Related study: OFAC and EU sanctions list growth study

Last updated: 2026-07-11Reviewed by: Fonteum data standards desk — Source-provenance editorial review. Definitions checked against primary federal sources.

How it’s used

  • Sanctions screening: organizations check OFAC lists before transactions, payments, onboarding, or export activity that may involve a restricted party.
  • SDN list records: OFAC's SDN file names individuals, entities, vessels, and aircraft whose property is blocked under U.S. sanctions authorities.
  • Non-SDN records: OFAC also publishes consolidated non-SDN lists that carry restrictions other than full SDN blocking.
  • Fonteum studies aggregate OFAC and other open sanctions records without assigning risk scores or naming parties as wrongdoers.

Frequently asked questions

What does OFAC stand for?
OFAC stands for the Office of Foreign Assets Control, the U.S. Treasury office that administers and enforces economic and trade sanctions.
What lists does OFAC publish?
OFAC publishes the SDN List and several non-SDN sanctions lists, along with data files and a public search tool.
Is OFAC the same as the SDN List?
No. OFAC is the Treasury office; the SDN List is one major sanctions list that OFAC publishes and administers.

Related terms

  • SDN
  • Consolidated Screening List
  • Denied Persons List
  • Exclusion Screening
  • SAM Exclusion

Explore in Fonteum

How Fonteum sources, resolves, and publishes data tied to this term.

  • StudyOFAC and EU sanctions list growth study
  • StudyCross-list sanctions overlap study
  • Use caseExclusion & sanctions screening

Authoritative sources

  • OFAC Sanctions List Service↗
  • OFAC Sanctions List Search tool↗
  • OFAC Sanctions List Search↗
← All glossary terms

What’s on file, by the numbers

Platform snapshot · 2026-07-15

13.4Mproviders & companiesProviders, organizations, owners, and facilities on file
26.2Msource-linked factsSource-linked field facts in the dated platform snapshot
—sources liveCrosswalk-resolved sources with a proved content transition in the preceding 45 days
111sources integratedActive registry rows; integration does not establish a load
13state Medicaid jurisdictionsDistinct states represented in the state-exclusions serving table

Built on the authoritative federal record

The primary sources, named on every page.

These are the federal agencies whose public datasets Fonteum ingests and attributes — the issuing authorities, not customers or partners. Every figure on the site links back to one of them.

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  • Census
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  • BEA

See the full source registry, with license and refresh cadence for each →

Reproducible by design

Published figures name their source and date.

Source and date

Published research identifies its government file and observation date. Source-file SHA-256 coverage is disclosed separately; facts do not currently link deterministically to signatures.

Reproducible SQL

Each study ships the exact query behind its figures, run against the same dated copy of the federal file we used. Re-run it yourself.

Daily observations

The platform records table row counts daily. Those observations detect local drift; they do not imply that an upstream publisher released or Fonteum ingested new data that day.

Named medical review

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

Read the full provenance and attestation methodology →

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Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

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A public-records graph that exposes source and observation metadata where supplied.

Fonteum's provenance ledger contained 26.2M source-linked facts on July 12, 2026. All but 14 carried a source-file SHA-256; 0 linked deterministically to a signature. Inspect a supplied snapshot id at fonteum.com/verify · source-mark coverage and limitations.
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