(1) The following provisions apply to wages due or accruing to a seaman—
(a) subject to section 152, wages are not subject to attachment by any court;
(b) an assignment or sale of wages before they are due does not bind the person making it;
(c) no power of attorney or authority for the receipt of wages is irrevocable; and
(d) a payment of wages to a seaman is valid in law although the wages have been sold, assigned, attached or encumbered.
(2) Subsection (1) does not affect the provisions of this Act with respect to allotment notes.
(3) This section does not apply to any disposition relating to the application of wages—
(a) in the payment of contributions to a fund declared by regulations to be a fund to which this section applies;
(b) in the payment of contributions in respect of the membership of a body declared by regulations to be a body to which this section applies.