Unless otherwise decided by its departmental council, the European Collectivity of Alsace is subject to the budgetary and accounting framework defined in articles L. 5217-10-1 to L. 5217-10-15 and L. 5217-12-2 à L. 5217-12-5. The provisions of Book III of Part Three are applicable to this department, insofar as they are not contrary thereto.