If a notice is to be served on the land to which the notice relates under
section 68(1)(d) or (2) of the Act, the person acting under that section
must—
(a) seal
the notice in a clear wrapper that is reasonably waterproof; and
(b) fix
the notice, as wrapped, to a conspicuous part of the land (including by fixing
it to a post and then by fixing the post into the ground in a conspicuous
place on the land).