Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker https://regulations.justia.com/regulations/fedreg/agencies/agencies-and-commissions/securities-and-exchange-commission/2019/10?limit=200&registers=between&min-day=1&max-day=31&mode=atom 2024-05-23T21:06:03-07:00 Justia Inc https://www.justia.com/ Justia Regulations Tracker https://regulations.justia.com/images/justiafedregulations.gif Copyright 2011 Justia Inc https://regulations.justia.com/regulations/fedreg/2019/10/31/2019-23935.html Notice - Sunshine Act Meetings 2019-10-31T00:00:00-07:00 2019-10-31T00:00:00-07:00 2019-23935 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-31/pdf/2019-23935.pdf https://regulations.justia.com/regulations/fedreg/2019/10/31/2019-23731.html Notice - Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Phlx Rule 1097 2019-10-31T00:00:00-07:00 2019-10-31T00:00:00-07:00 2019-23731 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-31/pdf/2019-23731.pdf https://regulations.justia.com/regulations/fedreg/2019/10/31/2019-23706.html Notice - Notice of Applications for Deregistration Under Section 8(f) of the Investment Company Act of 1940 2019-10-31T00:00:00-07:00 2019-10-31T00:00:00-07:00 2019-23706 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-31/pdf/2019-23706.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23773.html Notice - Sunshine Act Meetings 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23773 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23773.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23657.html Notice - Self-Regulatory Organizations; NYSE National, Inc.; Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Amend the Exchange's Price List Related to Co-Location Services To Offer Access to a Network Providing Connection to the Three Equities and Options Feeds 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23657 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23657.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23656.html Notice - Self-Regulatory Organizations; NYSE American LLC; Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Amend the Exchange's Equities and Options Fee Schedules Related to Co-Location Services To Offer Access to a Network Providing Connection to the Three Equities and Options Feeds 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23656 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23656.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23655.html Notice - Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Amend the Exchange's Options and Equities Fee Schedules Related to Co-Location Services To Offer Access to a Network Providing Connection to the Three Equities and Options Feeds 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23655 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23655.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23654.html Notice - Self-Regulatory Organizations; New York Stock Exchange LLC; Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Amend the Exchange's Price List Related to Co-Location Services To Offer Access to a Network Providing Connection to the Three Equities and Options Feeds 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23654 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23654.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23650.html Notice - Self-Regulatory Organizations; Fixed Income Clearing Corporation; Notice of Filing of Proposed Rule Change To Require Confirmation of Cybersecurity Program 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23650 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23650.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23632.html Notice - Self-Regulatory Organizations; National Securities Clearing Corporation; Notice of Filing of Proposed Rule Change To Require Confirmation of Cybersecurity Program 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23632 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23632.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23629.html Notice - Self-Regulatory Organizations; The Depository Trust Company; Notice of Filing of Proposed Rule Change To Require Confirmation of Cybersecurity Program 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23629 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23629.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-23082.html Proposed Rule - Amendments to Procedures With Respect to Applications Under the Investment Company Act of 1940 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-23082 Proposed Rule https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-23082.pdf https://regulations.justia.com/regulations/fedreg/2019/10/30/2019-21260.html Proposed Rule - Publication or Submission of Quotations Without Specified Information 2019-10-30T00:00:00-07:00 2019-10-30T00:00:00-07:00 2019-21260 Proposed Rule https://www.govinfo.gov/content/pkg/FR-2019-10-30/pdf/2019-21260.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23607.html Notice - Investor Advisory Committee Meeting 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23607 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23607.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23602.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23602 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23602.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23601.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23601 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23601.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23600.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23600 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23600.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23599.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23599 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23599.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23598.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23598 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23598.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23597.html Notice - Proposed Collection; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23597 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23597.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23596.html Notice - Submission for OMB Review; Comment Request 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23596 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23596.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23554.html Notice - MassMutual Select Funds, et al. 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23554 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23554.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23552.html Notice - Self-Regulatory Organizations; LCH SA; Notice of Filing of a Proposed Rule Change Relating to the Updated 2018 Version of the Recovery Plan 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23552 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23552.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23551.html Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing of Proposed Rule Change Related to Proposed Changes to the Options Clearing Corporation's Rules, Margin Policy, Margin Methodology, Clearing Fund Methodology Policy, and Clearing Fund and Stress Testing Methodology To Address Specific Wrong-Way Risk 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23551 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23551.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23550.html Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing of Proposed Rule Change Related to Proposed Changes to The Options Clearing Corporation's Rules, Clearing Fund Methodology Policy, and Clearing Fund and Stress Testing Methodology 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23550 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23550.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23549.html Notice - Self-Regulatory Organizations; NYSE Arca, Inc.; Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change Regarding Investments of the Janus Henderson Mortgage-Backed Securities ETF Currently Listed and Traded on the Exchange Under NYSE Arca Rule 8.600-E 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23549 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23549.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23548.html Notice - Self-Regulatory Organizations; The Nasdaq Stock Market LLC; Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change To Amend Rule 4121 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23548 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23548.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23547.html Notice - Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Market Maker Plus Program 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23547 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23547.pdf https://regulations.justia.com/regulations/fedreg/2019/10/29/2019-23546.html Notice - Self-Regulatory Organizations; NYSE Chicago, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Establish the NYSE Chicago BBO, NYSE Chicago Trades and NYSE Chicago Integrated Feed Market Data Feeds 2019-10-29T00:00:00-07:00 2019-10-29T00:00:00-07:00 2019-23546 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-29/pdf/2019-23546.pdf https://regulations.justia.com/regulations/fedreg/2019/10/28/2019-23428.html Notice - Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Pilot Period for the Exchange's Nonstandard Expirations Pilot Program 2019-10-28T00:00:00-07:00 2019-10-28T00:00:00-07:00 2019-23428 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-28/pdf/2019-23428.pdf https://regulations.justia.com/regulations/fedreg/2019/10/28/2019-23427.html Notice - Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Filing of Amendment No. 3 and Order Granting Accelerated Approval of a Proposed Rule Change, as Modified by Amendment No. 3, To Amend NYSE Arca Rule 5.2-E(j)(3) To Adopt Generic Listing Standards for Investment Company Units Based on an Index or Portfolio of Municipal Securities 2019-10-28T00:00:00-07:00 2019-10-28T00:00:00-07:00 2019-23427 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-28/pdf/2019-23427.pdf https://regulations.justia.com/regulations/fedreg/2019/10/28/2019-23426.html Notice - Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Pilot Period for the Exchange's Nonstandard Expirations Pilot Program 2019-10-28T00:00:00-07:00 2019-10-28T00:00:00-07:00 2019-23426 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-28/pdf/2019-23426.pdf https://regulations.justia.com/regulations/fedreg/2019/10/28/2019-23425.html Notice - Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Pilot Period To Permit the Listing and Trading of Options Based on 1/5 2019-10-28T00:00:00-07:00 2019-10-28T00:00:00-07:00 2019-23425 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-28/pdf/2019-23425.pdf https://regulations.justia.com/regulations/fedreg/2019/10/28/2019-23424.html Notice - Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Fee Schedule on the BOX Options Market LLC (“BOX”) Facility for Complex Order Transactions 2019-10-28T00:00:00-07:00 2019-10-28T00:00:00-07:00 2019-23424 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-28/pdf/2019-23424.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23277.html Notice - Self-Regulatory Organizations; Nasdaq BX, Inc.; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend the Exchange's Pricing Schedule, at Equity 7, Section 118(a) 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23277 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23277.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23271.html Notice - Self-Regulatory Organizations; Cboe EDGA Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Current Pilot Program Related to EDGA Rule 11.15, Clearly Erroneous Executions, to the Close of Business on April 20, 2020 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23271 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23271.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23270.html Notice - Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Current Pilot Program Related to BZX Rule 11.17, Clearly Erroneous Executions, to the Close of Business on April 20, 2020 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23270 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23270.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23269.html Notice - Self-Regulatory Organizations; Cboe BYX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Current Pilot Program Related to BYX Rule 11.17, Clearly Erroneous Executions, to the Close of Business on April 20, 2020 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23269 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23269.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23265.html Notice - Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend and Consolidate Various Exchange Rules Relating to Trading Permit Holder Membership, Registration and Participants and Move Those Rules From the Currently Effective Rulebook to Proposed Chapter 3 of the Shell Structure for the Exchange's Rulebook That Will Become Effective Upon the Migration of the Exchange's Trading Platform to the Same System Used by the Cboe Affiliated Exchanges 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23265 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23265.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23262.html Notice - Self-Regulatory Organizations; MIAX Emerald, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Exchange Rule 521, Nullification and Adjustment of Options Transactions Including Obvious Errors, Interpretation and Policy .01, and Exchange Rule 530, Limit Up-Limit Down 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23262 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23262.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23261.html Notice - Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Exchange Rule IM-7170-1, To Make Permanent the Exchange Rule That Is Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23261 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23261.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23260.html Notice - Self-Regulatory Organizations; Cboe Exchange, Inc.; Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change, as Modified by Amendment Nos. 1 and 2, Regarding Off-Floor Position Transfers 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23260 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23260.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23259.html Notice - Self-Regulatory Organizations; Nasdaq MRX, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23259 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23259.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23258.html Notice - Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23258 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23258.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23257.html Notice - Self-Regulatory Organizations; Nasdaq GEMX, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23257 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23257.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23256.html Notice - Self-Regulatory Organizations; The Nasdaq Stock Market LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23256 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23256.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23255.html Notice - Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23255 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23255.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23254.html Notice - Self-Regulatory Organizations; Nasdaq BX, Inc.; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Make Permanent Certain Options Market Rules That Are Linked to the Equity Market Plan To Address Extraordinary Market Volatility 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23254 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23254.pdf https://regulations.justia.com/regulations/fedreg/2019/10/25/2019-23253.html Notice - Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Extend the Current Pilot Program Related to EDGX Rule 11.15, Clearly Erroneous Executions, to the Close of Business on April 20, 2020 2019-10-25T00:00:00-07:00 2019-10-25T00:00:00-07:00 2019-23253 Notice https://www.govinfo.gov/content/pkg/FR-2019-10-25/pdf/2019-23253.pdf https://regulations.justia.com/regulations/fedreg/2019/10/24/2019-23211.html Rule - Adoption of Updated EDGAR Filer Manual 2019-10-24T00:00:00-07:00 2019-10-24T00:00:00-07:00 2019-23211 Rule https://www.govinfo.gov/content/pkg/FR-2019-10-24/pdf/2019-23211.pdf