(1) Criminal conduct is conduct which -
(a) constitutes an offence in any part of the United Kingdom, or
(b) would constitute an offence in any part of the United Kingdom if it occurred there.
(2) A person benefits from conduct if he obtains property or a pecuniary advantage as a result of or in connection with the conduct.
(3) References to property or a pecuniary advantage obtained in connection with conduct include references to property or a pecuniary advantage obtained in both that connection and some other.
(4) If a person benefits from conduct his benefit is the property or pecuniary advantage obtained as a result of or in connection with the conduct.
(5) It is immaterial -
(a) whether conduct occurred before or after the passing of this Act, and
(b) whether property or a pecuniary advantage constituting a benefit from conduct was obtained before or after the passing of this Act.