22 C.F.R. § 181.4
(a) General. Pursuant to 1 U.S.C. 112b(k)(5), a qualifying non-binding instrument is a non-binding instrument that:
(2)
(b) Significant foreign policy impact non-binding instruments. The criteria set out in the following paragraphs are to be applied in deciding whether any undertaking, document, or set of documents, including an exchange of notes or of correspondence, constitutes a non-binding instrument that could reasonably be expected to have a significant impact on the foreign policy of the United States within the meaning of section 112b(k)(5)(A)(ii)(I) of the Act.
(3) Significance.
(i) Consistent with 1 U.S.C. 112b(k)(5)(A)(ii)(I), and except for a non-binding instrument referred to in 1 U.S.C. 112b(k)(5)(B), a non-binding instrument that could reasonably be expected to have a significant impact on the foreign policy of the United States, and that meets the other elements set out in 1 U.S.C. 112b(k)(5), is a qualifying non-binding instrument within the meaning of the Act. The degree of significance of any particular instrument requires an objective wholistic assessment; no single criterion or factor by itself is determinative. In deciding whether a particular instrument meets the significance standard, the entire context of the transaction, including the factors set out below and the expectations and intent of the participants, must be taken into account. Factors that may be relevant in determining whether a non-binding instrument could reasonably be expected to have a significant impact on the foreign policy of the United States include whether, and to what extent, the instrument: