The portion intended to compensate for expenditure on studies and the conduct of the operation shall be the subject, at the request of the President of the Regional Council, of two payments of equal amount.
The first payment is made when the study programme referred to in article R. 4433-4 has been defined and submitted to the commission provided for in article R. 4433-3.
The second payment is made after the draft outline plan referred to in article R. 4433-1.