communicate to each other the measures
taken by either of them to determine the
originality of an edition or the time-
priority of a work of art.
Article 26. The stipulations of the present treaty
are in no way meant to divert from the
implementation of the existing censorship and
other prohibition measures in place in the
signatory States, which, irrespective of the
clauses laid down here, are to continue being
in force according to the respective
countries’ existing decrees or those that
are issued in future.
Article 27. Both signatory States will invite
the other Italian governments and that of
the canton of Ticino (Tessin) to accede to
the present treaty. Their expression of
assent will in itself be sufficient for
them to be considered co-signatory parties
to this treaty.
Article 28. The present convention is to come into
effect for four years from the moment the
ratifications are exchanged, and will remain
so for six months after expiry of these four
years should one of the signatories then make
known its intention either to annul the effect
of the given treaty or to proceed to its renewal
taking into account those improvements which
experience will by then