works by the law of the Contracting State in which the work
has been first published.

(b) For the purposes of the application of subparagraph (a),
if the law of any Contracting State grants two or more
successive terms of protection, the period of protection of that
State shall be considered to be the aggregate of those terms.
However, if a specified work is not protected by such State
during the second or any subsequent term for any reason, the
other Contracting States shall not be obliged to protect it during
the second or any subsequent term.

5. For the purposes of the application of paragraph 4, the work
of a national of a Contracting State, first published in a non-
Contracting State, shall be treated as though first published in the
Contracting State of which the author is a national.

6. For the purposes of the application of paragraph 4, in case of
simultaneous publication in two or more Contracting States, the work
shall be treated as though first published in the State which affords
the shortest term; any work published in two or more Contracting States
within thirty days of its first publication shall be considered as having
been published simultaneously in said Contracting States.

ARTICLE IVbis

1. The rights referred to in Article I shall include the basic
rights ensuring the author's economic interests, including the exclusive
right to authorize reproduction by any means, public performance and
broadcasting. The provisions of this Article shall extend to works