Artikel XI.4

1. Parties to this Convention which are at the same time parties to one or more of the following Conventions:
European Convention on the Equivalence of Diplomas leading to Admission to Universities (1953, ETS No. 15), and its Protocol (1964, ETS No. 49);
European Convention on the Equivalence of Periods of University Study (1956, ETS No. 21);
European Convention on the Academic Recognition of University Qualifications (1959, ETS No. 32);
International Convention on the Recognition of Studies, Diplomas and Degrees in Higher Education in the Arab and European States bordering on the Mediterranean (1976);
Convention on the Recognition of Studies, Diplomas and Degrees concerning Higher Education in the States belonging to the Europe Region (1979);
European Convention on the General Equivalence of Periods of University Study (1990, ETS No. 138), a) shall apply the provisions of the present Convention in their mutual relations;
b) shall continue to apply the above mentioned Conventions to which they are a party in their relations with other States party to those Conventions but not to the present Convention.)
a) shall apply the provisions of the present Convention in their mutual relations;
b) shall continue to apply the above mentioned Conventions to which they are a party in their relations with other States party to those Conventions but not to the present Convention.)
2. The Parties to this Convention undertake to abstain from becoming a party to any of the Conventions mentioned in paragraph 1, to which they are not already a party, with the exception of the International Convention on the Recognition of Studies, Diplomas and Degrees in Higher Education in the Arab and European States bordering on the Mediterranean.