(a)      For the purposes of §§ 17A-1 and 17A-2 a person is not employable if he is unable to work because of: (i) illness or significant and substantial incapacitation, either mental or physical, to the extent and of such duration that such illness or incapacitation prevents such person from performing services; (ii) advanced age; (iii) full-time attendance at school in the case of a person under the age of twenty-one years; (iv) full-time, satisfactory participation in an approved program of vocational training or rehabilitation; (v) enrollment and participation in the work incentive program for recipients of aid to dependent children benefits; or (vi) the need of such person to provide full-time care for other members of such person's household who are wholly incapacitated, or who are children, and for whom required care is not otherwise reasonably available by diligent efforts by the person and the Department to obtain others to provide the care.

      (b)      Any other person is considered employable.