The document discusses the challenges that businesses face in complying with changing financial sanctions imposed by the US and EU. It notes that sanctions regimes have expanded from a focus on Cuba and Iran to include countries like Russia, North Korea, and Sudan. Companies must navigate complex and rapidly changing regulations with uncertainty. PwC offers services to help clients understand compliance obligations and manage risks through tools like risk assessments, investigations, and scenario planning exercises. Failure to comply can result in significant fines and reputational damage.