of persons to whom the Air Force Act, 1950 (45 of 1950), or the Army Act, 1950 (46 of 1950), or the Navy Act (62 of 1957), applies;](k) all compulsory deposits and other sums in or derived from and fund to which the Provident Funds Act, 14[1925, (19 of 1925)], for the time being applies in so far as they are declared by the said Act not to be liable to attachment;3[(ka) all deposits and other sum