In this Act, unless the contrary intention appears:
"gainful employment" means:
(a) paid employment (including sheltered employment); and
(b) self-employment that is intended to result in financial gain.
"handicapped person" means a person who:
(a) has a physical or mental disability; and
(b) has turned 16.
"sheltered employment" means paid employment in respect of which a determination under section 32 or 33 is in force.
"vocational training" includes training for a profession or occupation and, where used in Part 2.21 (Mobility allowance), also includes training known as independent living skills or life skills training.