19 CFR § 351.102
Introduction. The Act contains many technical terms applicable to antidumping and countervailing duty proceedings. In the case of terms that are not defined in this section or other sections of this part, readers should refer to the relevant provisions of the Act. This section:
(1) Defines terms that appear in the Act but are not defined in the Act;
(2) Defines terms that appear in this Part but do not appear in the Act; and
(3) Elaborates on the meaning of certain terms that are defined in the Act.