In the event of mobilisation of the army, a plague or public calamity, or the interruption of public services managed by or subject to the control of the State or local authorities, decrees in the Council of Ministers may, for all or part of the territory, extend the periods within which protests and other acts intended to preserve recourse must be made for all negotiable securities.
In the same circumstances and under the same conditions the maturities of negotiable securities may be extended.