Convention relating to the Status of Stateless Persons, Articles 3 and 4
Article 3. - Non-discrimination
The Contracting States shall apply the provisions of this Convention to stateless persons without discrimination as to race, religion or country of origin.
Article 4. - Religion
The Contracting States shall accord to stateless persons within their territories treatment at least as favourable as that accorded to their nationals with respect to freedom to practise their religion and freedom as regards the religious education of their children.