(1)If, having made reasonable inquiries, a person is unable to ascertain the name or address of a person to whom a notice relating to land is to be given under this Act, the notice may be given by—
(a)addressing it to the person concerned by name or by a description of the person’s interest in the land, and
(b)delivering it by—
(i)leaving it in the hands of a person who is or appears to be resident on the land or employed on the land, or
(ii)fixing it to a building or object on, or to a conspicuous part of, the land (or, where that is not practicable, to a building or object near that land).
(2)Where a document is delivered as mentioned in subsection (1)(b)(ii) it is to be taken to have been given on the day on which it is fixed on or near the building, object or land, unless the contrary is shown.