IATA beginning June 1 will require accredited travel agencies to ask customers for mobile phone numbers and email addresses. The airline association said it made the move to ensure airlines can contact customers during irregular flight operations and disruptions. The rule doesn’t directly affect the U.S. market, where IATA does not accredit agencies. It applies to agency locations within IATA’s...

David Jonas in 2006 co-founded business media firm ProMedia.travel after ten years as a journalist with Business Travel News. David rejoined BTN in 2010 as executive editor when its parent company acquired ProMedia, and in 2014 co-created The Company Dime. David has a bachelor's degree in communications from Cornell University.