12 CFR 368.5: Customer information.

Prior to the execution of a transaction recommended to a non-institutional customer, a bank that is a government securities broker or dealer shall make reasonable efforts to obtain information concerning:

(a) The customer's financial status;

(b) The customer's tax status;

(c) The customer's investment objectives; and

(d) Such other information used or considered to be reasonable by such bank in making recommendations to the customer.