As in the case of Money obtained from criminal or illegal activities. For that reason, it is obviously not declared to the tax authorities. See Grey money. More, this is undeclared From the Latin word moneta, nickname that was given by Romans to the goddess Juno because there was a minting workshop next to her temple. Money is any item that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular region, country or socio-economic context. Its onset dates back to the origins of humanity and its physical representation has taken on very varied forms until the appearance of metal coins. The banknote, a typical representati... More, however originating from non-criminal activity. Its concealment seeks to avoid its taxation. Its detection by the authorities typically involves the imposition of a financial penalty in addition to the A transfer of funds which discharges an obligation on the part of a payer vis-à-vis a payee. More of the tax debt and the relevant interests. See Black money.