ISO 32000-1:2008 specifies a digital form for representing electronic documents to enable users to exchange and view electronic documents independent of the environment in which they were created or the environment in which they are viewed or printed.
The PDF Accessibility Checker (PAC 2), by the Swiss foundation 'Access for All' is the first tool allowing you to test PDF documents for compliance with the PDF/UA Standard. The freeware program PAC provides a fast way to test the accessibility of PDF files.
Since 2004, the Equalization of Persons with Disabilities Act has been in force, which calls, inter alia, that the Internet offers of the Swiss community are barrier-free accessible for people with disabilities. As in the years 2004 and 2007, the "Access for all" Foundation is launching the Swiss Accessibility Study. It is examined whether and how accessibility has improved for people with disabilities and where there is still need to catch up.
Source: Corporate website