Hazmat University Announces that IATA Publishes Addendum to 62nd Edition Dangerous Good Regulations ST. AUGUSTINE, FL / ACCESSWIRE / February 2, 2021 / The handling, shipping and transportation of dangerous goods is a highly regulated industry, with compliance regulations that are in a constant state of flux. This January, Florida-based B2B education company,Hazmat University, along with the Bureau of Dangerous Goods, highlights a new Addendum to the 62 nd Edition DGR published by IATA (International Air Transport Association). The Addendum to 62 nd Edition DGR The International Air Transport Association (IATA) posted the first addendum to the 62nd edition of the Dangerous Goods Regulations (DGR). The addendum is effective January 1, 2021. There were several edits and additions made to the IATA DGR in response to the COVID-19 pandemic.