The new (version 7) World Professional Association for Transgender Health (WPATH) document has recently been published.  Please note that for some reason in the forums the link splits, so you will need to copy the whole of the url and paste it into a new browser window.

http://www.wpath.org/documents/SOC%20V7%2003-17-12.pdf

You will need Adobe Acrobat Reader to be able to read it.