1.   The copyright treaty is the work of the World Intellectual Property Organization, as is a companion treaty protecting sound recordings, which will take effect in May.

2.   He did not mention a companion treaty on political rights.

3.   Jiang did not mention its companion treaty on political rights, which Chinese dissidents have been calling on the government to sign.

4.   The economic pact and a companion treaty on political rights are meant to set basic standards for civil liberties.

5.   The pact and a companion treaty on political rights provide a framework for safeguarding basic civil liberties, which overseas human rights groups say are mostly lacking in China.