156. (1) As respects wages due or accruing to a seaman or apprentice,-(a) they shall not be subject to attachment by order of any Court;(b) an assignment or sale thereof made prior to the accruing thereof shall not bind the person making the same;(c) a power of attorney or authority for the receipt thereof shall not be irrevocable;(d) a payment of wages shall be valid in law notwithstanding any previous sale or assignment of those wages or any attachment or encumbrance thereof. (2) The provisions of clauses (b) and (c) of sub section (1) shall not apply to so much of the wages of a seaman as have been or are hereafter assigned by way of contribution to any fund approved in this behalf by the Government, the main purpose of which is the provision of benefits for seaman; and the provisions of clauses (a) and (d) of sub section (1) shall not apply to anything done or to be done for giving effect to such an assignment. (3) Nothing in this section shall affect the provisions of this Ordinance or any other law for the time being in force with respect to allotment notes.