CFIUS at a Glance

45+45

Review Days

Initial + investigation

30

Declaration Days

Short-form review

$5M

Penalty Risk

Per violation

~15%

Filing Rate

Deals with foreign buyers

What is a Covered Transaction?

CFIUS reviews transactions that could result in foreign control of a US business or grant foreign persons access to sensitive information or technology.

Control Transactions

  • Acquisition of voting interest
  • Merger with US business
  • Asset purchase giving control
  • Change in investor rights
  • Long-term lease of facilities

Non-Control Investments (TID)

  • Board seat or observer rights
  • Access to material non-public info
  • Substantive decision involvement
  • Critical technology access
  • Sensitive personal data access

TID US Business Categories

TID businesses face stricter CFIUS scrutiny

TID stands for Technology, Infrastructure, and Data. These categories receive enhanced review.

Critical Technology

  • Defense articles (ITAR controlled)
  • Export controlled items (EAR)
  • Nuclear equipment (10 CFR Part 110)
  • Select agents and toxins
  • Emerging/foundational tech

Critical Infrastructure

  • Telecommunications systems
  • Energy/power infrastructure
  • Water treatment facilities
  • Transportation systems
  • Financial infrastructure

Sensitive Personal Data

  • Data on 1M+ US persons
  • Genetic data on any amount
  • Financial data
  • Health records
  • Geolocation data

When is Filing Mandatory?

Failure to file when required: Up to $5M penalty

Mandatory Filing Triggers

  • TID business + foreign government interest (25%+)
  • Critical technology requiring US govt authorization
  • Substantial interest by listed countries
  • Specific sectors designated by Treasury

Voluntary but Recommended

  • Government contractor status
  • Proximity to military installations
  • Prior CFIUS concerns in sector
  • High-risk investor country

Declaration vs. Full Notice

Short-Form Declaration

  • 5 pages maximum
  • 30-day review period
  • Lower preparation cost
  • May request full notice
  • Good for low-risk transactions

Full Notice

  • Comprehensive filing
  • 45-day initial review
  • + 45-day investigation possible
  • Required for complex deals
  • Higher legal fees

CFIUS Review Timeline

Declaration Path

  • Day 1: Declaration accepted
  • Day 1-30: Assessment period
  • Day 30: Response issued
  • Outcomes: Clear, request notice, or unable to conclude

Full Notice Path

  • Day 1-45: Initial review
  • Day 45: Clear or investigate
  • Day 46-90: Investigation (if needed)
  • Day 90+: Presidential review (rare)

Possible CFIUS Outcomes

Positive Outcomes

  • No action letter (cleared)
  • Safe harbor granted
  • Mitigation agreement accepted

Negative Outcomes

  • Presidential block order
  • Forced divestiture
  • Transaction abandonment

Country of Origin Risk Factors

China, Russia, Iran, North Korea face highest scrutiny

High Scrutiny Countries

  • China (PRC)
  • Russia
  • Iran
  • North Korea
  • Cuba, Venezuela, Syria

Lower Risk Indicators

  • NATO/Five Eyes countries
  • Japan, South Korea, Australia
  • EU member states
  • Countries with security agreements

Sector Sensitivity Analysis

High Sensitivity

  • Semiconductors and AI
  • Aerospace and defense
  • Biotech and pharmaceuticals
  • Telecommunications
  • Cybersecurity

Lower Sensitivity

  • Retail and hospitality
  • Food and beverage
  • General manufacturing
  • Professional services
  • Real estate (non-sensitive locations)

Related attorney services

Sergei Tokmakov is a California attorney, State Bar of California No. 279869, licensed since 2011. He prepares and coordinates standard LLC and corporation formations in California, Delaware, and Wyoming. Entity formation is handled within the Founder Formation Package ($3,500, state filing fees separate), quoted after a short scope review; the Complete Founder Package (founder, equity, and IP documents) starts at $2,500. Government filing fees and third-party costs are additional. Exact scope and package tier are confirmed in writing before work begins.

This page provides general information, not legal advice, and does not create an attorney-client relationship. Each engagement requires a conflict check and written confirmation of scope.