4.1. Participation in frames is open to:
(a) Exhibitors who are members of philatelic societies affiliated to the member countries of the Balkanfila Working Group (Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, North Macedonia, Moldova, Montenegro, Romania, Serbia, Slovenia, and Turkey) as well as Cyprus and Israel. Their respective philatelic federations are invited to appoint a National Commissioner.
(b) Exhibitors from all over the world with exhibits of Balkan interest.
4.2. Participation in Philatelic Literature is open with no restriction whatsoever.
4.3. Exhibits in the competitive classes - except Youth Philately and Philatelic Literature - must have been awarded a minimum of 75 points at an exhibition of the national level. For new exhibits, the entry form must be accompanied by a written statement confirming the quality of the exhibit by either the National Commissioner or the Federation.
4.4. Exhibits awarded at least one Large Gold medal at a previous FIP/FEPA/FIAP/FIAF Patronage Exhibitions may only apply to participate in the Balkanfila Grand Prix Class (Class B1).
4.5. Exhibits awarded any Grand Prix at FIP, FEPA, FIAF or FIAP Patronage Exhibitions cannot be exhibited in any competitive class.
4.6. The exhibitor must be the owner of the exhibit displayed, which is listed under the exhibitor’s name, or a pseudonym, in the official programme. The exhibit must have been the property of the entrant for at least two years and, if purchased as a collection, extensively revised to qualify for the exhibition.
4.7. Exhibitors may display their exhibit under a pseudonym, provided their name and membership in any appropriate philatelic society are made known to the National Commissioner, the Organising Committee and the Jury.