Sudan

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(2) The law shall regulate the formation and registration of political parties, associations, organizations, syndicates and professional unions, in accordance with what is required by democratic society.
(3) No organization shall have to right to work as a political party, unless it has the following:
(a) Open membership for all Sudanese, regardless of religion, ethnic origin or place of birth;
(b) Democratically elected institutions;
(c) Transparent and open sources of funding. (Art. 57)