The functions of president of a regional council are incompatible with the exercise of one of the following elective functions: president of a departmental council, mayor, the president of the council of the metropolis of Lyon.
The duties of president of a regional council are also incompatible with those of member of the European Commission, member of the executive board of the European Central Bank or member of the monetary policy council of the Banque de France.
Any president of a regional council who holds a position that places him or her in a situation of incompatibility provided for in the two preceding paragraphs shall thereby cease to hold his or her position as president of the regional council. In the event of a challenge, the incompatibility takes effect from the date on which the court decision confirming the election becomes final.