If the banknotes are not in safe-bags, a minimum of 20 % of the surface area of both sides of each banknote must be stained.
Mura bhfuil na nótaí bainc i málaí sábháilte, ní mór 20 % ar a laghad de dhromchla an dá thaobh de gach nóta bainc a smálú.