4.13.1 be guilty of dishonourable or uncommercial conduct;

4.13.2 make a false entry on a clearing sheet;

4.13.3 fail to answer Customers' complaints promptly;

4.13.4 violate any rule, the violation of which is not a major offence; and

4.13.5 make a mis-statement to the Board, the Clearing House or to a committee, or in relation to any information supplied to the Clearing House or its officials.