It&#x27;s been a long time since I&#x27;ve looked into this, so my info may be out of date:<p>They aren&#x27;t releasing the data for when these machines are audited for safety&#x2F;compliance. <a href="https:&#x2F;&#x2F;www.oig.dhs.gov&#x2F;assets&#x2F;Mgmt&#x2F;2015&#x2F;OIG_15-86_May15.pdf" rel="nofollow">https:&#x2F;&#x2F;www.oig.dhs.gov&#x2F;assets&#x2F;Mgmt&#x2F;2015&#x2F;OIG_15-86_May15.pdf</a>