US Dept of Housing has mis directed rule set?
The resulting https: link generates a 404 error, and a HUD webmaster reports this comment in response to my inquiry:
"The problem I was seeing was that your link https://portal.hud.gov/portal/page/portal/HUDoffices/hsg/comp/refunds/index.cfm combines the portal.hud.gov link and www.hud.gov link. "