When an accounting officer or assistant accounting officer terminates his duties, any balance standing to his credit in the guarantee account shall be paid to him or to those entitled through him, after a decision has been taken by the authorities referred to in Article 22 of the Financial Regulation and the final discharge referred to in Article 77 of the Financial Regulation has been granted, and after the accounting officer, save where he himself is concerned, and the financial controller have given a favourable opinion.