Accessibility -The Disability Discrimination Act 1995
Business websites MUST conform to this legislation.
If you have an online business presence then your website must be accessible to disabled people.
In General:
Companies must ensure that their business websites can be accessed by disabled users.
If you supply goods or services, disabled users, including the partially sighted and the blind, using special technology, must be able to view/read the pages within the website.
Any business with websites that are "not seen to be complying with the current regulations" are liable to prosecution and heavy fines.