F1PART ONECOMMON PROVISIONSF1TITLE IVIMPLEMENTATION OF THE BUDGETF1CHAPTER 3 Financial actors F1Section 3 Accounting officer F1Article 64Keeping of supporting documents by the accounting officer(Article 68 of the Financial Regulation). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .