AD investigations at Commerce typically run 12-13 months from petition to final determination. Key milestones: petition filed, ITC preliminary injury (45 days), Commerce preliminary determination (~140 days), Commerce final determination (~280 days), ITC final injury (~330 days), order published. Importer participation requires meeting deadlines.
This guide covers Antidumping Investigation Timeline. Specific tariff actions span statutes, programs, and enforcement mechanisms.
Practical implementation depends on company size, sector, and operational structure.
Petition filing and ITC preliminary
U.S. industry files petition. ITC issues preliminary injury determination ~45 days.
Commerce preliminary determination
~140 days from petition. Commerce sets preliminary AD rate. Provisional duties begin.
Commerce final determination
~280 days. Final rates set. Importer participation through detailed questionnaires.
ITC final injury and order
~330 days. ITC final injury determination. If affirmative, AD order published.
Frequently asked questions
When does this apply?
Most relevant for SMB importers facing the named situation or considering the named strategy.
What documentation is needed?
Standard CBP forms plus topic-specific records.
What is the timeline?
Initial assessment 2-4 weeks; complex implementation 8-16 weeks.
What does this cost?
Project work typically $5,000-$25,000. Ongoing retainer for active operations.
How do I begin?
Book a 15-minute scoping call. We confirm fit before any engagement.
Get started
Engage on specific tariff action work. Project pricing varies by scope.