This Convention shall remain in force indefinitely; however, either Contracting State may denounce the Convention, through the diplomatic channel, by giving notice of termination in writing to the other Contracting State on or before 30 June of any calendar year after the expiry of five years following the end of the calendar year in which it enters into force. In such event, the Convention shall cease to have effect in both Contracting States:
- (a) In respect of taxes levied for the tax year following the tax year in which notice of termination is given and for subsequent tax years;
- (b) In respect of taxes withheld at source on amounts paid after 31 December of the year in which notice of termination is given.
DONE at Prague on the nineteenth day of December 1980 in two originals each in the Czech and German languages, both texts being equally authentic.
FOR THE CZECHOSLOVAK SOCIALIST REPUBLIC:
FOR THE FEDERAL REPUBLIC OF GERMANY:
HANS DIETRICH GENSCHER