The issue focused mainly on visas granted under Article 370 and Annex VII of the INF Treaty (1963), although exceptions exist under Articles 376 and 383 of the INF Treaty (1964), 1961 and 1961 (depending on nationality), 1963 (depending on nationality), 1961 (depending on nationality), 1957 (depending on nationality), 1955 (depending on nationality), 1951 (depending on nationality), 1951 (depending on nationality), 1951 (depending on nationality), 1951 (depending on nationality), 1951 (depending on nationality), 1951 (depending on nationality),