106. Fixtures.

If:

  1.  

    (1)     a person incurs capital expenditure1 on the provision of plant or machinery for the purposes of a qualifying activity2 carried on by him;

  2.  

    (2)     the plant or machinery becomes a fixture3; and

  3.  

    (3)     that person has an interest4 in the relevant land5 at the time the plant or machinery becomes a fixture,

that person is treated, on and after that time, as the owner of the fixture as a result of his incurring the expenditure6.

If there are two or more persons with different interests in the relevant land who would be treated under the provisions described above as