The University of California Information Technology Accessibility Policy requires compliance with the WCAG 2.0 level AA standards for all web-based information.
WebAIM maintains a series of articles on accessibility. They cover most aspects of planning, assessing, and implementing electronic accessibility. These articles are an excellent primer and reference about accessibility.
Hiring for accessibility
Integrating accessibility in the job, from position description to interview
WCAG 2.0 conformance levels
More information on the three levels of conformance (A, AA, and AAA) to meet the needs of different groups and situations
Accessible procurement guidelines PDF
Ensuring IT products and services are accessible to individuals with disabilities