It appears to be company specific.
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I agree with Mr. Driesen. It seems specific to this company. My best guess is that in California at least, if one has had a conviction expunged, the conviction must still be disclosed in applying for certain state licenses and permits. Thus, an applicant who answers this may be confused about how to answer if the application did not just say, "don't answer this if you live in California."
This is a question for an employment attorney. I believe that there are restrictions that prohibit the asking of past criminal offenses - although they could be found if a background check is done .
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