Artikel 4

1. Members of the Organisation are called Sponsoring Partners.
2. States and Intergovernmental Organisations, which are Partners of the Network and which have been invited to sign the Memorandum of Understanding on the Establishment of the Global Water Partnership Organisation, and have become Parties to that agreement in accordance with Article I thereof, are original Sponsoring Partners.
3. Other States and Intergovernmental Organisations may become Sponsoring Partners, subject to a decision by the Annual Meeting of the Sponsoring Partners and after accession to the Memorandum of Understanding on the Establishment of the Global Water Partnership Organisation. Such membership is open to:
a) Other States, which are Partners of the Network and have a record of support for the objective of the Network;
b) Other Intergovernmental Organisations, which are Partners of the Network, have a global role in water affairs, and have a record of support for the objective of the Network.
4. The membership as a Sponsoring Partner of the Organisation does not affect the status of a State or Intergovernmental Organisation as a Partner of the Network.