3. A seaman employed under an agreement relating to one or more ships who

{a) is not exempted from the requirements of section 57 by regulations made under that section; or

{b)

is employed in a ship which is not exempted from those requirements by such regulations, may at any time while he is so employed, by means of an allotment note issued in accordance with these Regulations, allot part of his wages to any person or persons or to a savings bank.

Limitations on issue of allotment notes.