Irfan Khan / Los Angeles Times via Getty ImagesThis story is available exclusively to Business Insider subscribers. UPS customers are finding their shipments stuck in package purgatory. Eight people whom Business Insider spoke to said that they received updates indicating they might never get their packages at all. For many of these UPS customers, the delayed packages marked their first encounter with international shipping in the era of tariffs imposed by President Donald Trump's administration this year. For some UPS customers, the changes have meant that additional information or payments are required to complete certain shipments.