on may 27, 2016, the fda updated the regulations to change the rdi and daily values to reflect current scientific information. until this time, the daily values were still largely based on the 1968 rdas. the new regulations make several other changes to the nutrition facts label to facilitate consumer understanding of the calorie and nutrient contents of their foods, emphasizing nutrients of current concern, such as vitamin d and potassium. the revision to the regulations came into effect on 26 july 2016 and initially stipulated that larger manufacturers must comply within two years while smaller manufacturers had an additional year. 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.