Chapter 3 Financial actorsF1 United Kingdom Repealed Original text. Later amendments are not shown. 1Principle of segregation of duties 2Authorising officer 3Accounting officer 4Imprest administrator Annotations Textual amendments F1 Repealed by Regulation (EU, Euratom) No 966/2012 of the European Parliament and of the Council of 25 October 2012 on the financial rules applicable to the general budget of the Union and repealing Council Regulation (EC, Euratom) No 1605/2002. Chapter 3