19 C.F.R. § 206.22 Definition applicable to subpart C.
Title 19 - Customs Duties
For the purposes of this subpart, the term surge means a significant increase in imports over the trend for a recent representative base period.
Title 19: Customs Duties
PART 206—INVESTIGATIONS RELATING TO GLOBAL AND BILATERAL SAFEGUARD ACTIONS, MARKET DISRUPTION, TRADE DIVERSION, AND REVIEW OF RELIEF ACTIONS
Subpart C—Investigations Relating to a Surge in Imports From a NAFTA Country
§ 206.22 Definition applicable to subpart C.

