(1) In proceedings against a person in relation to a contravention of subparagraph 45(2)(a)(i) or (b)(i) in relation to an exclusionary provision, it is a defence if the person establishes that the provision:
(a) is for the purposes of a joint venture; and
(b) does not have the purpose, and does not have and is not likely to have the effect, of substantially lessening competition.
Application of subsections 45(3) and (4)
(2) Subsections 45(3) and (4) apply for the purposes of subsection (1) in the same way as they apply for the purposes of section 45.
(3) In this section:
contravention of subparagraph 45(2)(a)(i) or (b)(i) includes conduct referred to in paragraph 76(1)(b), (c), (d), (e) or (f) that relates to a contravention of subparagraph 45(2)(a)(i) or (b)(i).
"proceedings " means proceedings instituted under:
(a) this Part or section 163A; or
(b) section 21 or 23 of the Federal Court of Australia Act 1976 ; or
(c) section 39B of the Judiciary Act 1903 .