A Trading Member may only execute Direct Business that is:
(a) at least:
(i) 50,000 units of securities or futures contracts, or in the case of Marginable Futures Contracts, 50,000 units of the underlying; or
(ii) S$150,000 in terms of contract value;
(b) a book-out trade from an error account to remedy an error; or
(c) to complete a customer's order that was partially filled in the market, provided the original order met the minimum size in Rule 8.10.1(a) above.