Signature.
Signature.
(1) In the case of a termination of a grant under section 304(c) or section 304(d) executed by a person or persons other than the author, the notice shall be signed by all of the surviving person or persons who executed the grant, or by their duly authorized agents.
(2) In the case of a termination of a grant under section 304(c) or section 304(d) executed by one or more of the authors of the work, the notice as to any one author's share shall be signed by that author or by his or her duly authorized agent. If that author is dead, the notice shall be signed by the number and proportion of the owners of that author's termination interest required under 17 U.S.C. 304(c) or 304(d), whichever applies, or by their duly authorized agents, and shall contain a brief statement of their relationship or relationships to that author.
(3) In the case of a termination of a grant under section 203 executed by one or more of the authors of the work, the notice shall be signed by each author who is terminating the grant or by his or her duly authorized agent. If that author is dead, the notice shall be signed by the number and proportion of the owners of that author's termination interest required under 17 U.S.C. 203, or by their duly authorized agents, and shall contain a brief statement of their relationship or relationships to that author.
(4) Where a signature is by a duly authorized agent, it shall clearly identify the person or persons on whose behalf the agent is acting.
(5) The handwritten signature of each person effecting the termination shall either be accompanied by a statement of the full name and address of that person, typewritten or printed legibly by hand, or shall clearly correspond to such a statement elsewhere in the notice.