within one year prior to the expiration of the original term of
copyright: And provided further, That in default of the registration of
such application for renewal and extension, the copyright in any work
shall terminate at the expiration of twenty-eight years from the date
copyright was originally secured.

(b) Copyrights in Their Renewal Term or Registered for Renewal
Before January 1, 1978. -- The duration of any copyright, the renewal
term of which is subsisting at any time between December 31, 1976, and
December 31, 1977, inclusive, or for which renewal registration is made
between December 31, 1976, and December 31, 1977, inclusive, is
extended to endure for a term of seventy-five years from the date
copyright was originally secured.

(c) Termination of Transfers and Licenses Covering Extended Renewal
Term. -- In the case of any copyright subsisting in either its first or
renewal term on January 1, 1978, other than a copyright in a work made
for hire, the exclusive or nonexclusive grant of a transfer or license of
the renewal copyright or any right under it, executed before January 1,
1978, by any of the persons designated by the second proviso of
subsection (a) of this section, otherwise than by will, is subject to
termination under the following conditions:

(1) In the case of a grant executed by a person or persons other than
the author, termination of the grant may be effected by the
surviving person or persons who executed it. In the case of a grant
executed by one or more of the authors of the work, termination of
the grant may be effected, to the extent of a particular author's
share in the ownership of the renewal copyright, by the author who
executed it, or, if such author is dead, the person or persons who,