Article R322-77 of the French Insurance Code
Mutual insurance companies may only borrow to finance the development of insurance activities or to strengthen their solvency margin, in the case of undertakings referred to in Article L. 310-3-2, or their eligible own funds, in the case of undertakings referred to in Article L. 310-3-1, and in accordance with the terms and conditions defined by Articles R. 322-78 to R. 322-80-1, subject to the provisions of Article R. 322-105.