In section 47 of the Finance Act 1942 (transfer and registration of Government stock), after subsection (1) there is inserted-
"(1ZA) Regulations under subsection (1) of this section may make provision with respect to the purchase and sale of such stock and bonds by any person, or any description of person, through the Bank of England and, in relation to purchase or sale under the regulations, may-
(a) make provision with respect to the commission and fees payable, and
(b) make provision limiting the amount which any person, or any description of person, may purchase or sell on any day."