Of Information Act
Vista Software available throughFOIA
Under FOIA regulations, requests for VistA software must be in writing, including an original signature. Requests should be mailed to the following address:
Contact the DVA's FOIA representative for details of pricing and availability.
DVA's Vista Online
A regularly updated collection of monographs that describe the VistA applications can be found here.
What sets this online site from the FOIA digital media is the patches folder! These patches will generally be current within a couple of weeks after their release internally in the VA.
** If you visit the downloads link above and are not able to reach the files, trying removing the 's' if your URL contains 'https'. It doesn't seem the right thing to do, but you can then access the site.
Google Search the VistA Documentation Library (VDL)