Paragraph 15

Where the land comprised in a compulsory rights order consists of or includes land of which, immediately before the operative date of the order, the surface is occupied by one person and any of the subjacent strata are occupied by another person, those subjacent strata shall not be treated as constituting a holding to which section seventeen, section twenty-one or section twenty-nine of this Act applies.

Where the land comprised in a compulsory rights order consists of or includes land of which, at the end of the period of occupation, the surface is owned by one person and any of the subjacent strata are owned by another person, the subjacent strata shall not be treated as constituting or forming part of a holding to which section twenty-one of this Act applies, or a holding in respect of which the provisions of that section have effect as applied by section twenty-nine of this Act.