The original Web accessibility rulemaking process began under the Obama administration back in 2010. The Department of Justice is taking another swing at codifying technical standards to assist public entities - keep an eye on the process for public input opportunities.
https://www.forbes.com/sites/gusalexiou/2023/03/24/web-accessibility-laws-set-to-enter-new-era-as-doj-gears-up-for-spring-rulemaking/
Web Accessibility Laws Set To Enter New Era As DOJ Gears Up For Spring Rulemaking

The Department of Justice launches a rulemaking procedure in May for technical standards for website accessibility in relation to the law. This represents an important moment in the history of web development as stakeholders look to identify short- and medium-term priorities.

Forbes