An intelligent banknote neutralisation system ( IBNS) is a security system that is used by banks, ATMs, retail establishments, vending machines and the cash-in-transit industry, to render stolen funds unusable and easily identifiable. Dye packs are inserted between bills in random bundles. If a bundle containing a dye pack is removed from a specified area (e.g. taken out of bank doors), it explodes, releasing an indelible dye and possible array of additional chemicals. The conspicuous, brightly colored (usually red) stains on the bills allow quick, easy visual recognition of stolen money. Tracers and markers can also be added to the ink or bonding agent providing forensic evidence linking the criminal to the crime. Bonding agents (glues) have been used more recently.
Stained bills cannot be brought back into circulation easily, because they are visually and/or forensically linked quickly to the crime scene. Restricted procedures are globally in place in case of an attempt to exchange them at any financial institutions.
At the same time, in Sweden, IBNS systems manufactured by Spinnaker were being used in non-armoured and partially armoured vehicles, demonstrating that this was a viable alternative to cash transportation with armoured trucks. The Swedish market decided to progress with IBNS boxes for cash transport.
In 1991, France changed its regulations to allow the use of IBNS in soft-skinned vehicles. The French CIT company VALTIS was the first to implement such a system to service three regional banks. In 2002, Bank of France implemented an international procedure to treat and exchange neutralized banknotes for CIT professionals. In 2003, the European Central Bank made a decision that defined the process and cost of exchanging neutralized Euro Banknotes among all National Central Banks in Europe.[1], DECISION OF THE EUROPEAN CENTRAL BANK of 20 March 2003 on the denominations, specifications, reproduction, exchange and withdrawal of euro banknotes. EUROPEAN CENTRAL BANK. In 2005, Bank of France implemented a special procedure regarding the treatment of stained banknotes deposited by private persons. In 2007, Sweden implemented a national regulation making the use of IBNS by CIT obligatory. The same year, the Belgian government also implemented a national regulation imposing the use of IBNS for cash-in-transit.
In 2010, the European Commission finalized a European regulation to harmonize cross-border cash transportation by road. The use of non-armoured vehicles in combination with IBNS is one of two accepted methods of transportation.[2], Commission proposal for an EU Regulation to facilitate professional cross-border transportation of euro cash by road. European Commission
A stack of bills fitted with a dye pack is generally stored next to a magnetism plate at a bank teller's workstation. Under these conditions, it remains in standby or safe mode until a bank employee removes it from the plate and hands it to a robber, causing it to become armed. Once the pack is taken out of the building, a transmitter located at the door triggers a timer (typically at least 10 seconds), after which the dye pack explosively releases an aerosol (usually of Disperse Red 9) and sometimes tear gas. The release is intended to mark the money and/or the robber's body with a brightly colored stain so that they can be easily recognized as having been involved in a crime. Depending on the specific contents of the pack, the release may incapacitate the robber and/or destroy the money as well. The chemical reaction causing the explosion of the pack and the release of the dye creates high temperatures of about which further discourages a criminal from touching the pack or removing it from the bag or getaway vehicle. Dye packs are used to foil robberies in over 75% of banks in the U.S.
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