(1) This Part applies to the disclosure of business information by a public body to another public body where there is no other enactment or law of the European Union in operation under which specific provision is made permitting or requiring such data- sharing.

(2) Subject to subsection (3), this Part shall not affect the operation of any restriction or prohibition contained in another enactment or law of the European Union on the disclosure of business information.

(3) The Revenue Commissioners may disclose business information that is taxpayer information (within the meaning of section 851A of the Act of 1997) in accordance with this Part.