Adding this support to the custom controls in your application will let you take advantage of these sophisticated test automation tools, and allow those tools to perform more intelligent and effective testing than ever before. Finally, accessibility can help your company in a very tangible way by supporting your employees with disabilities. If your best programmer suddenly gains a disability, you'll want the tools he or she needs to use to be accessible. If those advantages are not enough for you, there are some stronger reasons as well. It's the law.
Many countries have laws that mandate accessibility at some level.
This act entitles individuals to sue their employers or prospective employers if the software they use isn't accessible. Recently this act was interpreted to also require commercial Web sites to be accessible. Section 508 of the Rehabilitation Act has a similar effect on the government and any organization receiving federal funding. New legislation is in the works to strengthen enforcement of these requirements. The Federal Government is the single largest purchaser of computer software.