affected party
(21) “affected party” means, with respect to a plan— (A) each participant in the plan, (B) each beneficiary under the plan who is a beneficiary of a deceased participant or who is an alternate payee (within the meaning of section 1056(d)(3)(K) of this title ) under an applicable qualified domestic relations order (within the meaning of section 1056(d)(3)(B)(i) of this title ), (C) each employee organization representing participants in the plan, and (D) the corporation, except that, in connection with any notice required to be provided to the affected party, if an affected party has designated, in writing, a person to receive such notice on behalf of the affected party, any reference to the affected party shall be construed to refer to such person.