§ 6 Visa

(3) A visa for the Federal territory (national visa) shall be required for stays of longer duration, whereby this visa shall be issued prior to the foreigner entering the Federal territory. Issuance shall be based on the regulations applying to the residence permit, the EU Blue Card, the settlement permit and the EC long-term residence permit. The duration of lawful stay with a national visa shall be offset against the periods of possession of a residence permit, an EU Blue Card, settlement permit or EC long-term residence permit.