Subject to any regulations made under this Act and to Schedule 3, where a residential building is deemed to be insured under this Act against natural disaster damage, the residential land on which that building is situated shall, while that insurance of the residential building is in force, be deemed to be insured under this Act against natural disaster damage to the amount (exclusive of goods and services tax) which is the sum of, in the case of any particular damage,—
(a) the value, at the site of the damage, of—
whichever is the smallest; and