Article 45 (Short Stay Visas) - 1. Short stay visas are granted by Angolan diplomatic and consular missions to foreign citizens who, for urgent reasons, need to enter national territory. 2. Short stay visas shall be used within 72 hours, permit the foreign citizen to stay in national territory for up to seven days and may be extended for an equal period of time. 3. Short stay visas may be issued without prior authorization from the Immigration Service, which merely needs to be notified of their issuance. 4. Short stay visas do not permit their holders to establish residence in national territory, or to carry on any paid work or trade.