4 ms·I was asked in my last background check, and the proof (of that and employment) was my tax forms.by vonmoltke 10y agoI was asked in my last background check, and the proof (of that and employment) was my tax forms.komali2 10y agoYou being asked is a bit different than a background check. You can refuse quite easily.vonmoltke 10y agoI agree. Just pointing it out it does sometimes come up in background checks, since you said it never had for you.