{"abstract":null,"action":null,"agencies":[{"raw_name":"SECURITIES AND EXCHANGE COMMISSION","name":"Securities and Exchange Commission","id":466,"url":"https://www.federalregister.gov/agencies/securities-and-exchange-commission","json_url":"https://www.federalregister.gov/api/v1/agencies/466","parent_id":null,"slug":"securities-and-exchange-commission"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2019/04/17/2019-07637.html","cfr_references":[],"citation":"84 FR 16086","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":["Release No. 34-85623","File No. 4-631"],"dockets":[],"document_number":"2019-07637","effective_on":null,"end_page":16092,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2019/04/17/2019-07637.xml","html_url":"https://www.federalregister.gov/documents/2019/04/17/2019-07637/joint-industry-plan-order-approving-the-eighteenth-amendment-to-the-national-market-system-plan-to","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2019-07637?publication_date=2019-04-17","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2019-04-17/2019-07637/mods.xml","not_received_for_publication":null,"page_length":7,"page_views":{"count":348,"last_updated":"2026-08-23 18:15:06 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2019-04-17/pdf/2019-07637.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2019-07637.pdf?1555418720","publication_date":"2019-04-17","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2019/04/17/2019-07637.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2019-05-07T10:00:28Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":16086,"subtype":null,"title":"Joint Industry Plan; Order Approving the Eighteenth Amendment to the National Market System Plan To Address Extraordinary Market Volatility by Cboe BYX Exchange, Inc., Cboe BZX Exchange, Inc., Cboe EDGA Exchange, Inc., Cboe EDGX Exchange, Inc., Chicago Stock Exchange, Inc., Financial Industry Regulatory Authority, Inc., Investors Exchange LLC, NASDAQ BX, Inc., NASDAQ PHLX LLC, The Nasdaq Stock Market LLC, NYSE National, Inc., New York Stock Exchange LLC, NYSE American LLC, and NYSE Arca, Inc.","toc_doc":"Cboe BYX Exchange, Inc., Cboe BZX Exchange, Inc., Cboe EDGA Exchange, Inc., et al.","toc_subject":"Joint Industry Plan:","topics":[],"type":"Notice","volume":84}