Schedule 2, paragraph 4 of the Act sets out an exemption for defence and Paragraph 5 exempts a contract between a utility and relevant joint venture to which the utility is a party.
Mae Atodlen 2, paragraff 4 o’r Ddeddf yn nodi esemptiad ar gyfer contractau amddiffyn a diogelwch rhwng awdurdod contractio a llywodraeth gwladwriaeth neu diriogaeth arall.