??270.17e-1 Brokerage transactions on a securities exchange.For purposes of section 17(e)(2)(A) of the Act [15 U.S.C. 80a-17(e)(2)(A)], a commission, fee or other remuneration shall be deemed as not exceeding the usual and customary broker's commission, if: (a) The commission, fee, or other remuneration received or to be received is reasonable and fair compared to the commission, fee or other remu