1. Copy resistant true paper machine watermark manufactured into the paper 2. Invisible fluorescent fibers on front that only appear under black light. 3. Brown stain reaction to bleach prevents deletion of entries with eradicator 4. Invisible watermark chain pattern appears when held under direct light and wil not scan or photocopy. 5. Meets or exceeds all ANSI/ABA requirements for checks 6. Meets or exceeds UCC code due diligence requirements 7. Check 21 compliant 8. All panels of stub printed for security and account identity. 9. Inks and perforations designed for laser printer use. 10. Micro printing on face and back