The repeal of the 2011 Act and of the Acts, or provisions of Acts, approving matters in accordance with the requirements of the 2011 Act have no effect on the validity of anything done or omitted to be done in relation to matters approved by Parliament in accordance with the 2011 Act (whether those matters were approved of by an Act or otherwise approved) or anything done or omitted to be done in relation to matters subject to an exemption under the 2011 Act.