There has been considerable confusion about two recent changes to VA regulations concerning service dogs. We will attempt to explain those changes and clear up the confusion here.
There are two different laws, addressing two different aspects of service dog use under the VA.
The first recent change in VA rights concerning service dogs was Public Law No: 112-154 aka H.R.1627: Honoring America's Veterans and Caring for Camp Lejeune Families Act of 2012. This is a law passed by Congress and signed by the President on August 6, 2012. It addresses access on VA property with a service animal.
Summary: All types of service dogs, including those for mental health such as PTSD service dogs, are permitted on VA property so long as they are certified by an ADI accredited program.
The second recent change in VA rights concerning service dogs was a final rule in new regulatory law published by VA in the Federal Register on September 5, 2012. It addresses the benefits that VA will provide to veterans in regard to service dogs.
Summary: "VA will provide to veterans with visual, hearing, or mobility impairments benefits to support the use of a service dog as part of the management of such impairments. The benefits include assistance with veterinary care, travel benefits associated with obtaining and training a dog, and the provision, maintenance, and replacement of hardware required for the dog to perform the tasks necessary to assist such veterans."