(1) The types of proof that are admissible as evidence in proceedings under this Act (whether criminal or civil, including proceedings under Part 2 and Parts 2C to 2F before a court or an adjudication officer) shall include relevant documents, oral statements, electronic messages, recordings and all other objects containing information, irrespective of the form it takes and the medium on which information is stored, provided that the proof would be admissible before a court.

(2) If a document contains a statement by a person referred to in subsection (3) asserting that an act has been done, or is or was proposed to be done, by another person, being an act (the ‘relevant act’) that relates to-

(a) the entry into or the making or implementation of an agreement or decision, or the engaging in of a concerted practice, the subject of proceedings under this Act, or

(b) the doing of the act or acts that constitute an abuse of a dominant position, the subject of proceedings under this Act,

then, subject to the conditions specified in subsection (4) being satisfied, that statement shall be admissible as evidence in the proceedings referred to in paragraph (a) or (b) that the relevant act was done by that other person or was proposed (at the time the statement was made or, as the case may be, at a previous time) to be done by him or her.