<![CDATA[Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker]]> https://regulations.justia.com/regulations/fedreg/2018/08/02?registers=between Sun, 16 Feb 2025 05:35:27 -0800 Sun, 16 Feb 2025 05:35:27 -0800 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif <![CDATA[Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker]]> https://regulations.justia.com/regulations/fedreg/2018/08/02?registers=between Reader Aids - Reader Aids https://regulations.justia.com/regulations/fedreg/2018/08/02/FR-2018-08-02-ReaderAids.html https://regulations.justia.com/regulations/fedreg/2018/08/02/FR-2018-08-02-ReaderAids.html Thu, 02 Aug 2018 00:00:00 -0700 FR-2018-08-02-ReaderAids Reader Aids Proclamation - To Take Certain Actions Under the African Growth and Opportunity Act and for Other Purposes https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16725.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16725.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16725 Proclamation https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16725.pdf Notice - Sunshine Act Meeting https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16700.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16700.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16700 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16700.pdf Notice - Notice of Crude Helium Auction and Sale for Fiscal Year 2019 Delivery https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16685.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16685.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16685 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16685.pdf Notice - Sunshine Act Meeting; Farm Credit Administration Board https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16629.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16629.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16629 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16629.pdf Notice - Railroad Revenue Adequacy-2017 Determination; Railroad Cost of Capital-2017; Uniform Railroad Costing System-2017 Calculations https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16624.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16624.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16624 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16624.pdf Notice - Notice of Establishment of the Bureau of Indian Education Standards, Assessments, and Accountability System Negotiated Rulemaking Committee; Notice of Meetings https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16588.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16588.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16588 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16588.pdf Notice - Proclaiming Certain Lands as Reservation for the Rincon Band of Luiseno Mission Indians of the Rincon Reservation, California https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16584.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16584.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16584 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16584.pdf Notice - Proclaiming Certain Lands as Reservation for the Bois Forte Band of the Minnesota Chippewa Tribe of Minnesota https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16583.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16583.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16583 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16583.pdf Notice - Annual Updates to the Income Contingent Repayment (ICR) Plan Formula for 2018-William D. Ford Federal Direct Loan Program https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16582.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16582.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16582 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16582.pdf Notice - Atlantic Highly Migratory Species; Meeting of the Atlantic Highly Migratory Species Advisory Panel https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16580.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16580.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16580 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16580.pdf Notice - Application to Export Electric Energy; ADG Group Inc. https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16579.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16579.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16579 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16579.pdf Notice - Notice of Request for Information (RFI) on H2@Scale (Hydrogen at Scale): Determining Opportunities To Facilitate Wide-Scale Hydrogen Adoption for Energy Security and Economic Growth https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16578.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16578.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16578 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16578.pdf Notice - Notice of Request for Information (RFI) on Understanding Catalyst Production and Development Needs at National Laboratories https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16577.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16577.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16577 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16577.pdf Notice - Advisory Council on Employee Welfare and Pension Benefit Plans; Nominations for Vacancies https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16571.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16571.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16571 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16571.pdf Notice - Notice of Final Federal Agency Actions on Proposed Highway in California https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16569.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16569.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16569 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16569.pdf Notice - Certain Cold-Rolled Steel Flat Products From the Republic of Korea: Initiation of Anti-Circumvention Inquiries on the Antidumping Duty and Countervailing Duty Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16566.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16566.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16566 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16566.pdf Notice - Certain Corrosion-Resistant Steel Products From the Republic of Korea and Taiwan: Initiation of Anti-Circumvention Inquiries on the Antidumping Duty and Countervailing Duty Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16565.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16565.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16565 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16565.pdf Notice - Certain Frozen Warmwater Shrimp From India: Initiation and Preliminary Results of Antidumping Duty Changed Circumstances Review https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16563.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16563.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16563 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16563.pdf Notice - WTO Dispute Settlement Proceeding Regarding United States-Anti-Dumping Measures on Fish Fillets From Vietnam https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16562.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16562.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16562 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16562.pdf Notice - Announce the Intent To Award an Administrative Supplement https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16561.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16561.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16561 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16561.pdf Notice - Notice of New Fee Sites https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16560.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16560.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16560 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16560.pdf Notice - Data Collection Available for Public Comments https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16558.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16558.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16558 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16558.pdf Notice - Availability of Set 29 Draft Toxicological Profiles https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16557.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16557.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16557 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16557.pdf Notice - Petition for Exemption; Summary of Petition Received; Honeywell Aerospace https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16554.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16554.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16554 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16554.pdf Notice - Advisory Committee for Mathematical and Physical Sciences; Notice of Meeting https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16551.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16551.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16551 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16551.pdf Proposed Rule - Regulated Navigation Area; Straits of Mackinac, Mackinaw City, MI https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16549.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16549.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16549 Proposed Rule https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16549.pdf Rule - Medicare, Medicaid, and Children's Health Insurance Programs: Announcement of the Extension of Temporary Moratoria on Enrollment of Part B Non-Emergency Ground Ambulance Suppliers and Home Health Agencies in Designated Geographic Locations https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16547.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16547.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16547 Rule https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16547.pdf Notice - Notice of Hearing (Notice of Evidentiary Hearing and Opportunity To Provide Oral, Written, and Audio-Recorded Limited Appearance Statements); In the Matter of Crow Butte Resources, Inc. (Marsland Expansion Area) https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16546.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16546.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16546 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16546.pdf Notice - Notice (Regarding Weapons at Atomic Safety and Licensing Board Proceeding); In the Matter of Crow Butte Resources, Inc. (Marsland Expansion Area) https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16545.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16545.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16545 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16545.pdf Notice - Administrative Declaration of a Disaster for the Commonwealth of Pennsylvania https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16544.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16544.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16544 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16544.pdf Notice - Administrative Declaration of a Disaster for the Commonwealth of Pennsylvania https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16543.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16543.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16543 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16543.pdf Notice - Administrative Declaration of a Disaster for the State of Maryland https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16542.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16542.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16542 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16542.pdf Notice - Administrative Declaration of a Disaster for the State of California https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16541.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16541.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16541 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16541.pdf Notice - Applications for New Awards; Grants to States for School Emergency Management Program https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16540.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16540.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16540 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16540.pdf Notice - Agency Information Collection Activities; Proposed Collection; Comment Request; Food and Drug Administration's Research and Evaluation Survey for the Public Education Campaign on Tobacco Among the Lesbian Gay Bisexual Transgender Community https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16538.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16538.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16538 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16538.pdf Notice - Revocation of Authorization of Emergency Use of an In Vitro Diagnostic Device for Detection of Ebola Virus https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16537.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16537.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16537 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16537.pdf Notice - Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Filing of Amendment No. 1 and Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change as Modified by Amendment No. 1 Thereto Regarding the Continued Listing and Trading of Shares of the Natixis Loomis Sayles Short Duration Income ETF https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16536.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16536.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16536 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16536.pdf Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing of Amendments No. 1 and 2 to Proposed Rule Change Concerning Enhanced and New Tools for Recovery Scenarios https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16535.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16535.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16535 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16535.pdf Notice - Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Codify the Definitions of the Protocols That Members Can Use To Enter Quotes and Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16534.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16534.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16534 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16534.pdf Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing of Partial Amendments No. 1 and 2 to Proposed Rule Change Concerning Updates to and Formalization of OCC's Recovery and Orderly Wind-Down Plan https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16533.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16533.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16533 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16533.pdf Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend the Definition of Flexibly Structured Options https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16532.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16532.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16532 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16532.pdf Notice - Self-Regulatory Organizations; BOX Options Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Fee Schedule on the BOX Market LLC (“BOX”) Options Facility To Establish BOX Connectivity Fees for Participants and Non-Participants Who Connect to the BOX Network https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16531.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16531.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16531 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16531.pdf Notice - Self-Regulatory Organizations; Nasdaq GEMX, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Codify the Protocol Definitions That Members Use To Enter Quotes and Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16530.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16530.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16530 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16530.pdf Notice - Self-Regulatory Organizations; The Options Clearing Corporation; Order Approving Proposed Rule Change, as Modified by Amendments No. 1 and 2, Related to The Options Clearing Corporation's Stress Testing and Clearing Fund Methodology https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16529.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16529.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16529 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16529.pdf Notice - Self-Regulatory Organizations; Miami International Securities Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Exchange Rule 518, Complex Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16528.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16528.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16528 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16528.pdf Notice - Notice of Applications for Deregistration Under Section 8(f) of the Investment Company Act of 1940 https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16527.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16527.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16527 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16527.pdf Notice - Self-Regulatory Organizations; Nasdaq MRX, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Codify the Definitions of the Protocols That Members Can Use To Enter Quotes and Orders https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16526.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16526.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16526 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16526.pdf Notice - Product Change-Priority Mail and First-Class Package Service Negotiated Service Agreement https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16525.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16525.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16525 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16525.pdf Notice - Advancing the Development of Pediatric Therapeutics 5: Advancing Pediatric Pharmacovigilance; Public Workshop https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16524.html https://regulations.justia.com/regulations/fedreg/2018/08/02/2018-16524.html Thu, 02 Aug 2018 00:00:00 -0700 2018-16524 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-02/pdf/2018-16524.pdf