Web Accessibility with HTML 4.0
By Molly E. Holzschlag

From Web Techniques Magazine - December, 1999 - page 22

Providing accessible Web sites is not just a courtesy -- it has been
interpreted in the U.S. as being the law. In September 1996, a U.S.
Department of Justice policy ruling set forth the premise that the Americans
with Disabilities Act (ADA) requirements apply to Web pages. As Web sites are
increasingly becoming environments where we shop, enjoy entertainment, and
access government information such as IRS and motor vehicle forms, Web
accessibility should become a major concern for Webmasters interested in not
just complying with graciousness, but lawfulness, too. 

Read the entire article at:
http://www.webtechniques.com/archives/1999/12/desi/