The Treasury Board press release about the interim directive says:
the Government will table legislation to implement the rest of its commitments as outlined in the President of the Treasury Board's mandate letter. The Act will be extended to apply appropriately to the Prime Minister's and Minister's offices; it will give the Information Commissioner the power to order the release of documents...
That is the government's announced intention. There hasn't been any consultation with you, so far, in terms of what the cost implications of doing that would be.