Please note this can be avoided by simply not ordering the background until the other application is filled out.
If you do not want to combine background checks for spouses or roommates, RentTrack can adjust your settings to not combine them. If you do need to invite a spouse, roommate, or co-signer all you have to do is send them an invite.
Once they have filled out the application you will not be able to order the background until you email email@example.com and ask to please stack Application A and Application B. Once this is done RentTrack will run the second background and combine them so they are displayed as a group.