The Evident background check portion of Local Services Ads is governed by a 90-day window. In other words, once you "Log In" to start the process, a timer begins counting down that will expire at 90 days.
What qualifies as logging in?
"Logging In" is defined as accessing the Evident portion of the Local Services Ads Application. This part of the application can be seen in the screenshot below.
Once you click on the Background Check section of the application, you will see a button that says "Go to Evident."
When you click on this blue button you will be taken to a screen that looks like this:
As soon as you click the button outlined in red above, you will be considered "Logged In," and the 90-day timer begins counting down.