Budgetary Principle which establishes that the LOA will not contain a device foreign to forecasting revenue and fixing expenses, and the prohibition does not include the authorization to open additional credits and contract credit operations, even if through advance revenue (ARO), under the terms of law.

• CF art. 165, § 8.
• See also: Credit Operation by Revenue Advance.
• General Concept: Budgetary Principle.
• Synonym: Exclusivity (Principle).