After the draft by the advisory committee is completed, they will send it to the USDA and HHS, who will then "release the updated Dietary Guidelines and work with Federal, state, and local partners to implement the new edition."
However, just because they recommend it doesn't mean the government heeds the advice. In 2020, under the first Trump administration, the federal government rejected the committee's recommended advice to have people cut their consumption of added sugars to 6 percent of their daily calorie intake and rejected its advice for adult men and women to limit their daily alcohol consumption to one drink a day.