A sample document that a non-party may use as a starting point for preparing a motion to intervene in a US International Trade Commission (ITC) investigation or related proceeding under Section 337 of the Tariff Act (19 U.S.C. § 1337) and ITC Rule 210.19 (19 C.F.R. § 210.19). This Standard Document includes a model intervention motion and supporting company declaration. It also has integrated drafting notes with important explanations and drafting tips.