Title V Revenue OperationsF1 United Kingdom Original text. Later amendments are not shown. 21Annual contribution and its instalments 22Payment of the instalments 23Interest for unpaid contribution amounts 24Calling on unpaid contributions 25Other revenue operations Annotations Textual amendments F1 Substituted by Council Regulation (EU) No 567/2014 of 26 May 2014 amending Regulation (EC) No 215/2008 on the Financial Regulation applicable to the 10th European Development Fund as regards the application of the transition period between the 10th European Development Fund and the 11th European Development Fund until the entry into force of the 11th European Development Fund Internal Agreement. ← Article 20 Title V Article 21 →