In accordance with conditions to be laid down pursuant to Article 279, any appropriations, other than those relating to staff expenditure, that are unexpended at the end of the financial year may be carried forward to the next financial year only.
2. Subsidies for research activities conducted by firms or by higher education or research establishments on a contract basis with firms shall not be subject to countervailing measures, if the subsidies cover not more than 75% of the costs of industrial research or 50% of the costs of pre-competitive development activity, and provided that such subsidies are limited exclusively to: (a) personnel costs (researchers, technicians and other supporting staff employed exclusively in the research activity) ...