Русско-англо-русский юридический словарь

Five miners in the cyclone-hit region, including BHP , and Glencore had to invoke force majeure - a clause typically invoked when producers cannot meet contracts due to natural disasters - as multiple landslides and flooding knocked out major coal rail networks. (Reuters)

You cannot simply invoke force majeure as the reason why you have failed to fulfil a contract if no clause to that effect is present. (Woodfines Solicitors)