68. (1) In this Part, unless the contrary intention appears—“offence” means any conduct (whether constituted by an act or omission) engaged in which constitutes, or which it is believed on reasonable grounds constitutes—
(a) an offence against this Act; or
(b) an offence against another Act, in respect of which a penalty of imprisonment for 6 months or more may be imposed.
(2) For the purposes of this Part, a thing is connected with a particular offence if—
(a) it is a thing with respect to which the offence has been committed;
(b) it will afford evidence of the commission of the offence; or
(c) it was used, or is or was intended to be used, for the purpose of committing the offence.