(1) A contract,
agreement or understanding that has or purports to have or might have the
effect of removing, qualifying or altering the operation of an assessment or
exemption, or of in any way affecting the incidence of an assessment or
land tax or displacing the benefit of any exemption, is wholly void and
inoperative as against the Commissioner so far as the contract, agreement, or
understanding purports or is intended to have or might have that effect.
(2)
Subsection (1) has effect whether the contract, agreement, or
understanding —
(a) is
arrived at or evidenced by matter of record under seal or by writing or by
parol; or
(b) was
made before or after the commencement of the land tax Acts.
(3) Except as provided
in subsection (1), that subsection does not prejudice the validity of the
contract, agreement, or understanding.