Expand All 6210. General 6220. Definitions 6230. Use of Alternative Display Facility Data Systems 6240. Prohibition from Locking or Crossing Quotations in NMS Stocks 6250. Quote and Order Access Requirements 6260. Review of Direct or Indirect Access Complaints 6270. Quoting and Trading in ADF-Eligible Securities 6271. Registration as an ADF Market Maker or ADF ECN 6272. Character of Quotations 6273. Normal Business Hours 6274. Clearance and Settlement 6275. Withdrawal of Quotations 6276. Voluntary Termination of Registration 6277. Suspension and Termination of Quotations by FINRA Action 6278. Termination of Alternative Display Facility Data System Service 6279. Alternative Trading Systems 6280. Transaction Reporting 6281. Reporting Transactions in ADF-Eligible Securities 6282. Transactions Reported by Members to the ADF Book traversal links for 6200. ALTERNATIVE DISPLAY FACILITY ‹ 6191. Compliance with Regulation NMS Plan to Implement a Tick Size Pilot Program Up 6210. General ›