PPD Finger scan format! Oct 14, 2017 10:53:23 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by respect on Oct 14, 2017 10:53:23 GMT -5 All incoming studies will use VCT. The studies posted before verification will not be grandfathered in. The question remains whether later cohorts of those studies will use the finger check system!