This section applies where conditions A to E are met.
Condition A is that a person ("the landowner") and one or more other persons jointly hold an interest in two or more dwelling–houses.
Condition B is that the landowner disposes of an interest ("the relinquished interest") in one or more of the dwelling-houses to the co-owner or to one or more of the co-owners.
Condition C is that the consideration for the disposal is or includes an interest ("the acquired interest") in one of the other dwelling–houses.
Condition D is that as a consequence of the disposal (taken together with any related disposals)—
Condition E is that if each dwelling-house were disposed of immediately after the disposal (or disposals) mentioned in subsection (5) then by virtue of sections 222, 223 and 223B (private residences) no part of the gain accruing on each of those disposals would be a chargeable gain.
The landowner, on making a claim jointly with the co-owner or co-owners, shall be treated for the purposes of this Act—
For the purposes of this section—
at the same time as the disposal mentioned in that condition;
This section applies in relation to cases where, immediately before the disposal, the land is held by a partnership comprising the landowner and the co-owner or co-owners (whether the partnership is formed in Scotland or elsewhere) as it applies in relation to other cases (and the partners are regarded as the landowner and the co-owner or co-owners for the purposes of this section).