The National Nutrition Monitoring and Related Research Act of 1990 established the governing statute for the U.S. Dietary Guidelines and requires publication at least every 5 years.
Notes on verification
Confirmed by official U.S. government sources (dietaryguidelines.gov, health.gov) and the original statute text (Public Law 101-445) via govinfo.gov.
Sources
- An analysis of the recent US dietary guidelines process in light of its ... (pmc.ncbi.nlm.nih.gov)
- https://www.dietaryguidelines.gov/about-dietary-guidelines/history-dietary-guidelines (dietaryguidelines.gov)
- https://health.gov/our-work/nutrition-physical-activity/dietary-guidelines/history-dietary-guidelines (health.gov)
- https://www.govinfo.gov/content/pkg/STATUTE-104/pdf/STATUTE-104-Pg1034.pdf (govinfo.gov)