Dealer accounts and records

1. Segregated accounts. Dealers shall at all times keep their customers' securities and funds in trust and segregated from their own securities and funds. 2. Multiple businesses - separate records - commingling assets - division of income and expenses. Dealers engaged in more than one business: a. Shall maintain separate accounts, books, and records relating to their securities business and their other businesses. b. Shall not commingle assets of their securities business with assets of their other businesses. c. Shall maintain a clearly defined division with respect to income and expenses between their securities business and their other businesses.