Русско-англо-русский юридический словарь

Either of the parties may suspend performance of a Supply Contract during the occurrence of an Excusable Delay, which shall mean any delay not occasioned by the fault or negligence of the delayed party and which results from (without limitation) acts of God or public enemy, restrictions, prohibitions [...] (contracts.onecle.com)

"And it is further mutually agreed that either of the parties hereto may terminate this agreement at any time by giving the other party notice thereof in writing by mail, and any indebtedness then owing by either party to the other shall thereupon be and become immediately due and payable." (Justia U.S. Law)