Significant changes to IMDG and IATA for 2014 (effective 1/1/2014) IATA and IMDG regulations have issued their changes for 2014. Please see the significant changes here: IATA-2014 Changes for 55th DGR; IMDG-2014 Amendments. These updates are Mandatory 1/1/2014. Need help navigating these changes? We can help….please contact us about cost-effective training.