The Commonwealth is liable to pay compensation to a person under section 68 only if:

(a) for an impairment resulting from a single service injury or disease consisting of:
(i) hearing loss; or
(ii) the loss, or the loss of the use, of a finger or toe; or
(iii) the loss of the sense of taste or smell;
the impairment suffered by the person constitutes at least 5 impairment points; and
(b) otherwise—the impairment suffered by the person from the compensable condition constitutes at least 10 impairment points.

Note: This section might be affected by section 70 (aggravations etc.).