HSR Resources

This page is designed to capture all resources that provide guidance on the rules, the form and other HSR-related issues. If these resources and others available on this website do not answer your questions, contact the PNO attorney staff at HSRHelp@ftc.gov.

Basics

• Introductory Guide I (PDF)
• Introductory Guide II (PDF)
• Steps to Determine Whether to File
• Withdraw/Refile Procedure Tip Sheet (PDF)
• 2008 HSR Workshop Materials
• PNO Statement on Escrows (PDF)
• Index of all HSR Enforcement Actions (PDF) (03/25)
• HSR Timeline (image)  HSR Timing Considerations (blog post)
• Reporting Obligations of Not-for-Profit Combinations (PDF)
• Treatment of Debt as Consideration

Valuation

• Valuation Summary
• Valuation in More Detail
• When to Aggregate Under the HSR Act
• Section 802.4 Tip Sheet
• Converting Foreign Currency
• Stock-for-Stock Transactions

Second Requests

• Model Second Request (Guide III) (PDF)
• Guidance for voluntary submission of documents during the initial waiting period
• Appeal Procedure