17. After the expiry of the time provided for in section 16, the responsible minister or body must, with dispatch, communicate the decision in writing to the person or partnership.
If the decision is to amend or revoke the document, the responsible minister or body must attach the reasons for the decision to the new document referred to in section 18 or to the notice of revocation referred to in section 19 and notify the person or partnership in writing of the right to apply for a review of the decision within the time specified in section 23.