The institutions which have granted their guarantee or their guarantee on first demand shall be released from their commitments no later than one month after the expiry of the guarantee period.
However, if reservations have been notified during the guarantee period to the contractor and to the institutions which have granted their guarantee or their guarantee on first demand and if they have not been lifted before the expiry of this period, the institutions shall be released from their commitments no later than one month after the date on which they were lifted.