29. No person may, in a designated agricultural region, except with the authorization of the commission, effect the alienation of a lot while retaining a right of alienation on a contiguous lot or on a lot that would otherwise be contiguous if it were not separated from the first by a public road.
The alienation of one or several contiguous lots or of lots which would be contiguous if they were not separated by a public road shall not be made in favour of more than one person, except with the authorization of the commission.
The surface of a lot in respect of which a right is recognized in virtue of Division IX is not deemed contiguous.