(a) The term party to a transaction means:

(1) In the case of an acquisition of an ownership interest in an entity, the person acquiring the ownership interest, the person from whom such ownership interest is acquired, and the entity whose ownership interest is being acquired, without regard to any person providing brokerage or underwriting services for the transaction;

(2) In the case of a merger, the surviving entity, and the entity or entities that are merged with or into that entity in the transaction;

(3) In the case of a consolidation, the entities being consolidated, and the new consolidated entity;

(4) In the case of a proxy solicitation, the person soliciting proxies, and the person who issued the voting interest;

(5) In the case of the acquisition or conversion of contingent equity interests, the issuer and the person holding the contingent equity interests;

(6) In the case of a change in rights that a person has with respect to an entity in which that person has an investment, the person whose rights change as a result of the transaction and the entity to which those rights apply;

(7) In the case of any other transaction, transfer, agreement, or arrangement, the structure of which is designed or intended to evade or circumvent the application of section 721, any person that participates in such transaction, transfer, agreement, or arrangement;

(8) In the case of any other type of transaction, any person who is in a role comparable to that of a person described in paragraphs (a)(1) through (7) of this section; and

(9) In all cases, each party that submitted a declaration or notice to the Committee regarding a transaction.

(b) For purposes of section 721(l), the term party to a transaction includes any affiliate of any party described in paragraph (a) of this section that the Committee, or a lead agency acting on behalf of the Committee, determines is relevant to mitigating a risk to the national security of the United States.