4. The Minister for Privatization shall be deemed to have all necessary authorizations and consents from any minister of the Crown and any ministry to carry out the powers described in section 2 or 3, and the execution by the Minister for Privatization of any document on behalf of any minister of the Crown or any ministry shall be conclusive evidence that the minister or ministry has consented to and is bound by the document. 1998, c. 28, s. 4.