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Division (c) Content of the tests for banknotes’ resistance to cleaning – for IBNS using staining

United Kingdom

Original text. Later amendments are not shown.

For such ‘cleaning’, use must be made of different products or combinations of products. Different scenarios must be arranged so as to vary the temperature and duration of cleaning. Two procedures must be used for these cleaning tests:

  • cleaning must be carried out immediately after staining, and

  • cleaning must be carried out 24 hours after staining,

These tests must be carried out on a representative sample of real banknotes used in the euro area.

One of the following results must be obtained at the end of these tests:

  • the cleaning leads to destruction of the banknotes,

  • the cleaning leaves ink visible on a surface area of at least 10 % of each banknote (density test of the ink used),

  • the cleaning leads to the mutilation of both the banknote's original colours and its security features.