The Commission, for the purpose of providing themselves with office or other accommodation in connection with the exercise of any of their functions, may, with the approval of the Secretary of State, acquire land, erect and maintain buildings or other structures thereon, and when the land is no longer required for such purpose, dispose of it.

Any land occupied by the Commission shall, for the purpose of any rate on property, be treated as if it were property occupied by or on behalf of the Crown for public purposes.