Tamper-resistant medical security paper prevents unauthorized copies and safeguards confidential documents. Use for prescription pads, MRIs, CAT Scans and medical tests. 10 security features prevent copying, erasure and counterfeiting. Pantograph prints "VOID" on the front when duplicated. Printed watermarks on back can be seen when held up to a light source. Coin-reactive ink on back side changes color when scratched with a coin. Microtext borders contain the DocuGard product name and are difficult to copy. The erasure-resistant background, chemical-reactive paper and Toner Grip coating on both sides of the paper prevent erasure. Heat-sensitive thermochromatic ink with Rx symbol disappears when subject to touch or heat from a copier. Invisible fibers embedded in the paper are visible under a black light. Security Listing on the sheet also prevents counterfeiting. Paper exceeds federal guidelines set by the Centers for Medicare and Medicaid Services (CMS) to reduce the risk of fraud.