From ADA.gov - State and Local Governments with 50,000+ persons are required to have compliant web content and mobile apps by April 24, 2026.
A fact sheet is available here: https://www.ada.gov/resources/2024-03-08-web-rule/#highlights-of-the-requirements-in-the-rule
Smaller governments and special districts should be aware their deadline is April 26, 2027.
GISAA is reaching out to web app providers for guidance and tools to ensure accessibility.