{"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/2004/11/23/E4-3300.html","cfr_references":[],"citation":"69 FR 68202","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":["Release No. 34-50678","File No. SR-NASD-2004-156"],"dockets":[],"document_number":"E4-3300","effective_on":null,"end_page":68204,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2004/11/23/E4-3300.xml","html_url":"https://www.federalregister.gov/documents/2004/11/23/E4-3300/self-regulatory-organizations-notice-of-filing-and-immediate-effectiveness-of-proposed-rule-change","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/E4-3300?publication_date=2004-11-23","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2004-11-23/E4-3300/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":6,"last_updated":"2026-08-26 08:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2004-11-23/pdf/E4-3300.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2004-11-23","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2004/11/23/E4-3300.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-11-12T14:12:05Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":68202,"subtype":null,"title":"Self-Regulatory Organizations; Notice of Filing and Immediate Effectiveness of Proposed Rule Change by National Association of Securities Dealers, Inc. Related to ECN Response Time Measurement in the Nasdaq Market Center","toc_doc":"National Association of Securities Dealers, Inc.","toc_subject":"Self-regulatory organizations; proposed rule changes:","topics":[],"type":"Notice","volume":69}