Convention on the International Commission for the Protection of the River Oder against pollution (April 11, 1996)

Countries/Territories	Entry into force	Ratification *	Simple signature	Withdrawal
Czech Republic	Apr 28, 1999	Aug 21, 1996 [1]	Apr 11, 1996	-
Germany	Apr 28, 1999	Feb 3, 1998 [1]	Apr 11, 1996	-
Poland	Apr 28, 1999	Mar 9, 1999 [1]	Apr 11, 1996	-
European Union	Apr 28, 1999	Mar 29, 1999 [1]	Apr 11, 1996	May 1, 2004

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature