(a) Terms used in this Rule 6170 shall have the same meaning as defined in Rule 6220.

(b) Any ADF participant that is required to obtain, or otherwise wishes to use, more than one Market Participant Identifier ("MPID") for purposes of displaying quotes/orders or reporting trades through the ADF must submit a written request, in the form required by FINRA, to, and obtain a

(a) Any Trade Reporting Facility Participant that is required to obtain, or otherwise wishes to use, more than one Market Participant Symbol ("MPID") for purposes of reporting trades to a Trade Reporting Facility must submit a written request, in the form required by FINRA, to, and obtain approval from, FINRA Market Operations for such additional MPID(s).

(b) A Trade Reporting Facility Participant that posts a quotation on a FINRA system and reports to that FINRA system or another FINRA system a trade resulting from such

(a) A FINRA member operating in or participating in any FINRA system or facility shall provide information orally, in writing, or electronically (if such information is, or is required to be, maintained in electronic form) to the staff of FINRA when FINRA staff makes an oral, written or electronically communicated request for information relating to a specific FINRA rule, SEC rule, or provision of a joint industry plan (e.g., UTP, CTA and CQA) (as promulgated and amended from time to time).

(b) A failure to comply in a

(a) No member shall execute or cause to be executed or participate in an account for which there are executed purchases of any NMS stock as defined in Rule 600(b) of SEC Regulation NMS ("designated security") at successively higher prices, or sales of any such security at successively lower prices, for the purpose of creating or inducing a false, misleading or artificial appearance of activity in such security or for the purpose of unduly or improperly influencing the market price for such security or for the purpose of establishing a price which does not reflect

(a) No member or person associated with a member shall execute or cause to be executed, directly or indirectly, a transaction otherwise than on an exchange in a security subject to an initial public offering until such security has first opened for trading on the national securities exchange listing the security, as indicated by the dissemination of an opening transaction in the security by the listing exchange.

(b) A security is subject to an "initial public offering" for purposes

Pursuant to the procedures set forth in Rule 6120(b), FINRA shall halt all trading otherwise than on an exchange in any NMS stock, as defined in Rule 600(b) of SEC Regulation NMS, if other major securities markets initiate market-wide trading halts in response to their rules or extraordinary market conditions or if otherwise directed by the SEC.

FINRA, pursuant to the procedures set forth in paragraph (b):

(a) Members are required to report transactions in NMS stocks, as defined in Rule 600(b) of SEC Regulation NMS, effected otherwise than on or through a national securities exchange to FINRA. For purposes of the Rule 6100 Series, "otherwise than on an exchange" means a trade effected by a FINRA member otherwise than on or through a national securities exchange.