(1) In this section -
'Acts' means -
(a) the Tax Acts.
(b) the Capital Gains Tax Acts,
(c) the Value-Added Tax Act, 1972, and the enactments amending or extending that Act,
and any instruments made thereunder;
'payment' means a payment or a remittance of a liability under the Acts and includes part of such a payment or remittance;
'liability' means any tax or charge due under the Acts for a taxable period, income tax month, income tax year or chargeable period, as appropriate.
(2) Notwithstanding any other provision of the Acts, where a payment is received by the Revenue Commissioners from a person and it cannot reasonably be determined by the Revenue Commissioners from the instructions, if any, which accompanied the payment which liabilities the person wishes the payment to be set against, the Revenue Commissioners may set the payment against any liability due by the person under the Acts.
(3) The Revenue Commissioners shall make regulations for the purpose of giving effect to th