" Any assignment (or in Scotland, assignation) of or charge on, and any agreement to assign or charge, any benefit payable under a scheme made under section 1 of this Act shall be void. 49. The courts have given effect to that formula by holding that it precludes vesting in a statutory assignee or trustee in the event of a bankruptcy..." 73. Examination of the historical treatment of pension rights under the law of England, to which I have referred earlier in this judgment, leads to the following conclusions. First, that Parliament has, for a long time, recognised a need to exclude certain pension rights (in particular, rights under public service pensions) from the full operation of the bankruptcy law: see, for example, theNaval and Marine Pay and Pensions Act 1865 , thePolice Pensions Act 1921 , theArmy Act 1955 and theSuperannuation Act 1972 (and its statutory predecessors)."