Two-partcarbonless forms perform two jobs in one step - thewhite first partcontains a "blockout" pattern on all names to protect the confidentiality students signing in. Theyellow second partprovides an automatic duplicate record thatlets only you see the names that are "blocked out" on the white first part. The right side of the set is glued together as an additional confidentiality measure, protecting against peeking inside.