Void pantograph: The word "VOID" appears prominently across the document if photocopied or scanned. Thermochromic (heat sensitive) ink: The lock icon will fade and return when rubbed between thumb and forefinger, or breathed upon, if document is original. Microprint feature: If photocopied, 1-point type in border appears as a dotted line. Chemical sensitive paper: Stains or spots appear if chemical alterations are attempted; instantly indicating tampering. Toner/paper adhesion: Paper chemistry creates a bond between laser toner and paper fibers so that any alteration attempt results in visible paper damage True watermark: Visible only when held up to a light and cannot be photocopied. Beware if it isn't there! Fluorescent fibers Certain fibers in paper are only visible when exposed under fluorescent light. Warning box: Security features listed on back of paper deter fraud, unauthorized photocopying and tampering.