PROBLEM TO BE SOLVED: To provide a wrong reproduction-proof slip such as a receipt where a misconduct is easily determined by the color of a transfer trace in a mirror image and is easily managed for its issuance using an identification.;SOLUTION: A misconduct-proof reproduction receipt 1 comprises a mechanical printing slip 4 of processing slips 7 and 8 with receipt numbers 2a, 2b, 2c, 3a, 3b and 3c, acceptance slips 9 and 10, receipts 11 and 12 and a handwriting slip 5, connected through perforations 6 as the same identification. A transfer developer layer is formed on the back corresponding to the entry columns of the slips 7 and 8 and a color developer layer is formed on the face corresponding to the entry columns of the receipts 11 and 12 so that the reproduction entry of the entry columns of the vertically corresponding receipts 11 and 12, is accomplished by entering the specified entry columns of the slips 7 and 8 under the state that the faces of the receipts 11 and 12 are folded back on the back of the slips 7 and 8 by perforations 13 and 14 so as to set both face and back mutually in contact. A color developing agent layer is formed on the face corresponding to the entry columns of the receipts 11 and 12 and the developed colors of the color developing agent layer differ according to the slips 4 and 5.;COPYRIGHT: (C)2004,JPO
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