Read the proposed rule and submit comments via Regulations.gov. Comments are now due November 2. [Notice of the extension is here (PDF)]

Resources for commenting:

handsoffourcens.us "Hands Off Our Census is a pop-up consortium that provides nonpartisan resources, analyses, and updates on the proposed census rule, bringing together organizations and experts across the census, data, and data policy communities."

Resources curated by IPUMS for responding to Proposed Changes to the 2030 U.S. Census

Previous DCSS news item, "Comment period extended for proposed changes to decennial census 2030 (Nov 2)" (Oct 7) [Includes several references]