https://www.w3.org/news/2019/act-rules-format-1-0-is-a-w3c-recommendation/
Accessibility Conformance Testing (ACT) Rules Format 1.0 is a W3C Recommendation | 2019 | News | W3C
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web...
act rules formataccessibility conformancetestingrecommendationnews