The context is as follows:

No liability shall result to XXX from any delay in performance, or nonperformance in whole or in part, caused by circumstances reasonably beyond MIIK's control, including, but not limited to, acts of God, fire, flood, war, accident, explosion, breakdowns or labor trouble; embargoes or other import or export restrictions; shortage or inability to obtain energy, equipment, transportation, or good faith compliance with any regulation, direction or request (whether valid or invalid) made by any governmental authority or person purporting to act therefor.

Thanks in advance

лицо, утверждающее, что оно действует от имени правительственного органа /действующее якобы от имени....