As soon as practicable after the making of this Order, the undertaker must submit copies of each of the plans and documents set out in Schedule 12 (documents to be certified) to the Secretary of State for certification that they are true copies of those plans and documents.

Where any plan or document set out in Schedule 12 requires to be amended to reflect the terms of the Secretary of State's decision to make the Order, that plan or document in the form amended to the Secretary of State's satisfaction is the version of the plan or document required to be certified under paragraph (1).

A plan or document so certified will be admissible in any proceedings as evidence of the contents of the document of which it is a copy.