fda issued a final rule on changes to facts panel on may 27, 2016. the new values were published in the federal register. new values can be used on labels now. the original deadline to be in compliance was july 28, 2018, but on september 29, 2017 the fda released a proposed rule that extended the deadline to january 1, 2020 for large companies and january 1, 2021 for small companies. in the interim, products with old or new facts panel content will be on market shelves at same time.