What is Section 508 compliance? It is a law that requires all federal agencies and institutions that receive federal funding to provide software and website accessibility to people with disabilities. Compliance standards are set by Section 508 of the Rehabilitation Act of 1973.
What is WCAG 2.0 compliance? It is an updated version of Section 508 compliance that includes international guidelines. The WCAG aim to provide a single shared standard for web content accessibility that meets the needs of individuals, organizations, and governments internationally.
To learn more about WCAG/Section 508 compliance, read this blog post.