(1) Regulations may provide -
(a) for enabling a person to whom benefit is payable to nominate another person to receive that benefit on his behalf,
(b) for enabling a person to be appointed to exercise, on behalf of a claimant or beneficiary who is under 16 years of age or who may be or become unable for the time being to act, any right or power which the claimant or beneficiary may be entitled to exercise under this Act and for authorising a person so appointed to receive and deal with any sum payable by way of benefit on behalf of the claimant or beneficiary,
(c) where it appears to the Minister that the circumstances so warrant, for enabling a person to be appointed to receive and deal with on behalf of a claimant or beneficiary -
(i) in respect of disability benefit, unemployment benefit, injury benefit, old age (contributory) pension, retirement pension, invalidity pension, unemployment assistance, pre-retirement allowance, old age (non-contributory) pension or blind pension