World Wide Web Consortium Guidelines
The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential as a forum for information, commerce, communication, and collective understanding. The Australian W3C Office (W3C-Aus) is the national contact point for W3C activities in Australia.
Please visit the following website for more information regarding the (WC3) guidelines
http://www.w3c.org.au/