{"data":{"id":"us/15-cfr-90.7","jurisdiction":"us","citation":"15 CFR 90.7","heading":"Where to file a request for a challenge.","body":"A request for a population estimate challenge must be prepared in writing by the governmental unit and filed with the Chief, Population Division, Census Bureau by sending the request via email to POP.challenge@census.gov or to a physical address that the Census Bureau will specify in the updated “Population Estimates Challenge Program Review Guide” to be posted in the census.gov website. The governmental unit must designate a contact person who can be reached by telephone or email during normal business hours should questions arise with regard to the submitted materials.","path":["Title 15—Commerce and Foreign Trade","Subtitle B—Regulations Relating to Commerce and Foreign Trade","CHAPTER I—BUREAU OF THE CENSUS, DEPARTMENT OF COMMERCE","PART 90—PROCEDURE FOR CHALLENGING POPULATION ESTIMATES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-15.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:24Z","sha256":"173ef76d0528c17db4d07165f2c6417acf21bffb2a443282f7dec1edceb4f40a","source_id":"us-cfr","stale":true,"prev":"us/15-cfr-90.6","next":"us/15-cfr-90.8"},"notice":"GroundRules: Original legal text. Not legal advice."}