There are a number of Standards and Policies that are related to Online Accessibility, which have been gathered here. For guidance on these Standards SOAP also recommends that the Stanford community consult with the Office of General Counsel.

Section 508 Checklist
In 1998, the US Federal Congress amended the Rehabilitation Act of 1973 (29 U.S.C. 794d) as amended by the Workforce Investment Act of 1998 (P.L. 105 - 220), August 7, 1998 to require Federal agencies to make their electronic and information technology (EIT) accessible to people with disabilities. As part of that effort, a sub-section related to web accessibility was developed.
WebAIM's WCAG 2.0 Checklist for HTML documents
WebAIM's checklist is NOT the Web Content Accessibility Guidelines (WCAG) 2.0. It is, however, a simple checklist that presents thier recommendations for implementing HTML-related principles and techniques for those seeking WCAG 2.0 conformance. A useful resource.
IBM Web accessibility checklist
IBM has long committed themselves to creating accessible web content and provide a wealth of information on their website: . They have published their own internal Accessibility Development Standards which they apply to all of the web content they produce. It is reprinted here for reference purposes only, and remains © Copyright IBM Corporation.
Student Affairs Online Accessibility Policy
The Online Accessibility Policy applies to and sets standards for all online services and web sites created and maintained by the Division of Student Affairs. This policy also requires that the provision of Student Affairs data to developers of Stanford University online services outside the division shall be contingent upon an agreement that such data be presented in accordance with this policy.