(1) Subject to subsection (2), the claim must be made by:
(a) the person ( claimant ) who wants to be granted income support supplement; or
(b) with the approval of the claimant--another person on the claimant's behalf.
(2) If the claimant is unable, because of physical or mental incapacity, to approve another person to make the claim on his or her behalf, the Commission may approve another person to make the claim.