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Federal contract amendments and deadline changes

1,806 open federal contracts on SAM.gov changed in the last 45 days, newest first. When an agency amends a notice it posts a new version: we compare each version with the one before and list what changed. Updated every morning (Oct 24, 2026).

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  1. Deadline extended
    Boosting Innovative GEOINT - Science & Technology Broad Agency Announcement (BIG-ST BAA): Topic # 07 – Lidar Analysis for Surface & Environmental Reconnaissance (LASER)
    National Geospatial-intelligence Agency (nga) · due Dec 21, 2026 · HM047627XXXX
    • Deadline extended from Dec 11, 2026 to Dec 21, 2026
  2. Deadline extended
    RADx Coordination Center Notice of Intent
    National Institutes of Health · due Nov 2, 2026 · 75N98026R00176
    • Deadline extended from Oct 13, 2026 to Nov 2, 2026
    • Description text changed
  3. Deadline extended
    Ring, Clamping
    Department of the Navy · due Nov 9, 2026 · N0010427QNA06
    • Deadline extended from Nov 9, 2026 to Nov 9, 2026
  4. Deadline extended
    Cover, Protective, to
    Department of the Navy · due Nov 9, 2026 · N0010427QNA05
    • Deadline extended from Nov 9, 2026 to Nov 9, 2026
  5. Description updated · 5 updates in 45 days
    155mm Modular Artillery for Combat Effectiveness (MACE)
    Department of the Army · due Oct 30, 2026 · W15QKN26R1C5R
    • Description text changed
  6. Description updated · 5 updates in 45 days
    A Study on Vessel Design Challenge
    Maritime Administration · due Jan 10, 2027 · 693JF726R000016
    • Description text changed
  7. Notice type changed
    11F | C5 | Duct Assembly, Bleed Air
    Defense Logistics Agency · Virginia · due Nov 20, 2026 · SPE4A727R0042
    • Notice type changed from Sources sought to Pre-solicitation
    • Response deadline set to Nov 20, 2026 (was Oct 16, 2026)
    • Description text changed
  8. Notice type changed
    Industry Day Announcement - Area Maintenance Support Activity (AMSA) / Vehicle Maintenance Shop (VMS) located in Joint Base Elmendorf-Richardson, Alaska
    Department of the Army · Alaska · due Oct 26, 2026
    • Notice type changed from Sources sought to Special notice
    • Description text changed
  9. Deadline extended · 2 updates in 45 days
    Project FLYTRAP 6.0
    Washington Headquarters Services (whs) · due Nov 1, 2026 · WHSDIUFLYTRAP
    • Deadline extended from Oct 16, 2026 to Nov 1, 2026
  10. Deadline extended · 4 updates in 45 days
    Cable Assembly, Spec- and Similar Replacement Parts
    Department of the Navy · due Nov 16, 2026 · N0010426QFF02
    • Deadline extended from Oct 23, 2026 to Nov 16, 2026
    • Description text changed
  11. Deadline extended
    Solicitation for a Concessions Business Opportunity to Operate Interpretive Tram Tours and Other Services at Shark Valley within Everglades National Park
    National Park Service · Florida · due Dec 2, 2026 · CC-EVER004-27
    • Deadline extended from Oct 30, 2026 to Dec 2, 2026
    • Description text changed
  12. Deadline extended · 4 updates in 45 days
    Connector, Electric
    Department of the Navy · due Oct 30, 2026 · N0010426RFE40
    • Deadline extended from Oct 9, 2026 to Oct 30, 2026
    • Description text changed
  13. Description updated · 3 updates in 45 days
    O-ring
    Department of the Navy · due Nov 16, 2026 · N0010426QFG23
    • Description text changed
  14. Description updated · 2 updates in 45 days
    Valve, Globe
    Department of the Navy · due Nov 6, 2026 · N0010426QFF28
    • Description text changed
  15. Description updated · 2 updates in 45 days
    Screw, Cap, Socket HD
    Department of the Navy · due Oct 30, 2026 · N0010426QFB13
    • Description text changed
  16. Deadline extended
    Penetrator, Hull
    Department of the Navy · due Nov 2, 2026 · N0010425QFF51
    • Deadline extended from Apr 14, 2026 to Nov 2, 2026
  17. Description updated · 2 updates in 45 days
    Union Nut
    Department of the Navy · due Oct 30, 2026 · N0010426QFC62
    • Description text changed
  18. Notice type changed
    Hanford 222-S Laboratory – Final Request for Proposal
    Department of Energy · Washington · due Dec 10, 2026 · 89303326REM000152
    • Notice type changed from Sources sought to Solicitation: now open for bids
    • Response deadline set to Dec 10, 2026 (was Jan 5, 2026)
    • Description text changed
  19. Description updated · 2 updates in 45 days
    Parts Kit, Ball Valv
    Department of the Navy · due Nov 13, 2026 · N0010426QFE42
    • Description text changed
  20. Description updated · 2 updates in 45 days
    Actuator, Electro-me
    Department of the Navy · due Oct 30, 2026 · N0010426QFC13
    • Description text changed
  21. Deadline extended
    Compressor, Rotary
    Department of the Navy · due Nov 13, 2026 · N0010426QJC35
    • Deadline extended from Oct 5, 2026 to Nov 13, 2026
    • Description text changed
  22. Description updated · 2 updates in 45 days
    Penetrator Assy
    Department of the Navy · due Nov 6, 2026 · N0010426QFF59
    • Description text changed
  23. Description updated · 2 updates in 45 days
    Stud, Continuous THR
    Department of the Navy · due Oct 30, 2026 · N0010426QFA72
    • Description text changed
  24. Deadline extended
    Switch, Proximity
    Department of the Navy · due Oct 30, 2026 · N0010426QQB91
    • Deadline extended from Oct 19, 2026 to Oct 30, 2026
  25. Deadline extended
    Parts Kit, Ball Valv
    Department of the Navy · due Oct 30, 2026 · N0010426QNB49
    • Deadline extended from Jun 8, 2026 to Oct 30, 2026
  26. Description updated · 6 updates in 45 days
    Nut, Plain, Round
    Department of the Navy · due Nov 2, 2026 · N0010426QFF34
    • Description text changed
  27. Description updated · 2 updates in 45 days
    Nut, Plain, Hexagon
    Department of the Navy · due Oct 30, 2026 · N0010426QFF19
    • Description text changed
  28. Deadline extended · 3 updates in 45 days
    Periscope Subassemb
    Department of the Navy · due Nov 13, 2026 · N0010425QFC44
    • Deadline extended from Oct 9, 2026 to Nov 13, 2026
    • Description text changed
  29. Description updated · 2 updates in 45 days
    Plate, Cover Assy
    Department of the Navy · due Oct 30, 2026 · N0010426QFG68
    • Description text changed
  30. Description updated · 2 updates in 45 days
    Transformer, Power
    Department of the Navy · due Nov 6, 2026 · N0010425QFE35
    • Description text changed
  31. Description updated · 2 updates in 45 days
    Valve, CHK SPCL42X46
    Department of the Navy · due Nov 2, 2026 · N0010423QCD13
    • Description text changed
  32. Description updated · 2 updates in 45 days
    Hose Assembly, Nonme
    Department of the Navy · due Nov 6, 2026 · N0010425QFC71
    • Description text changed
  33. Description updated · 2 updates in 45 days
    Parts Kit, Sediment
    Department of the Navy · due Oct 30, 2026 · N0010426QFB74
    • Description text changed
  34. Description updated · 2 updates in 45 days
    Hull Penetrator
    Department of the Navy · due Nov 5, 2026 · N0010426QFA03
    • Description text changed
  35. Deadline extended
    Retainer, Seat, Valve
    Department of the Navy · due Dec 31, 2026 · N0010426QFF38
    • Deadline extended from Aug 31, 2026 to Dec 31, 2026
  36. Deadline extended · 3 updates in 45 days
    Connector, Plug, Elec
    Department of the Navy · due Oct 30, 2026 · N0010426QFC19
    • Deadline extended from Sep 29, 2026 to Oct 30, 2026
  37. Description updated · 2 updates in 45 days
    Rugged, Flat, Panel
    Department of the Navy · due Oct 30, 2026 · N0010425QLE15
    • Description text changed
  38. Description updated · 2 updates in 45 days
    Nut, Hex, Heavy
    Department of the Navy · due Nov 5, 2026 · N0010426QFG22
    • Description text changed
  39. Description updated · 2 updates in 45 days
    Valve, Globe
    Department of the Navy · due Oct 30, 2026 · N0010426QFE70
    • Description text changed
  40. Description updated · 2 updates in 45 days
    Piston, Valve
    Department of the Navy · due Oct 30, 2026 · N0010426QFE61
    • Description text changed
  41. Deadline extended · 2 updates in 45 days
    CBL Actr/lock PWR
    Department of the Navy · due Nov 13, 2026 · N0010426QNE12
    • Deadline extended from Oct 13, 2026 to Nov 13, 2026
  42. Description updated · 2 updates in 45 days
    Connector, Penetrati
    Department of the Navy · due Nov 6, 2026 · N0010426QFC04
    • Description text changed
  43. Deadline extended
    Strainer, Sediment
    Department of the Navy · due Nov 16, 2026 · N0010426QEG40
    • Deadline extended from Oct 9, 2026 to Nov 16, 2026
    • Description text changed
  44. Description updated · 2 updates in 45 days
    Regulator, Temperatu
    Department of the Navy · due Oct 30, 2026 · N0010423QFC03
    • Description text changed
  45. Description updated · 2 updates in 45 days
    Bolt, Machine
    Department of the Navy · due Oct 30, 2026 · N0010426QFB96
    • Description text changed
  46. Deadline extended · 2 updates in 45 days
    CBL Actr/lock PWR
    Department of the Navy · due Nov 13, 2026 · N0010426QNE06
    • Deadline extended from Oct 9, 2026 to Nov 13, 2026
  47. Description updated · 2 updates in 45 days
    Drain Str/orifice
    Department of the Navy · due Oct 30, 2026 · N0010426QFF70
    • Description text changed
  48. Notice type changed · 4 updates in 45 days
    Periscope, Tube, Out
    Department of the Navy · due Nov 5, 2026 · N0010426RFG66
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Description text changed
  49. Notice type changed · 3 updates in 45 days
    Adapter, Connector
    Department of the Navy · due Nov 6, 2026 · N0010426RFC78
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Description text changed
  50. Notice type changed
    Transmitter, Pressur
    Department of the Navy · due Nov 16, 2026 · N0010426QUC50
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Response deadline set to Nov 16, 2026 (was Nov 16, 2026)
  51. Notice type changed
    Interface Unit, Data
    Department of the Navy · due Nov 16, 2026 · N0010426RYAK4
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Response deadline set to Nov 16, 2026 (was Nov 16, 2026)
  52. Notice type changed · 2 updates in 45 days
    Compressor Unit, Rec
    Department of the Navy · due Nov 13, 2026 · N0010425RJA71
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Description text changed
  53. Description updated · 3 updates in 45 days
    Key
    Department of the Navy · due Nov 16, 2026 · N0010426QFF94
    • Description text changed
  54. Description updated · 3 updates in 45 days
    Helical Spring
    Department of the Navy · due Nov 16, 2026 · N0010426QFF78
    • Description text changed
  55. Deadline extended · 4 updates in 45 days
    Cable Assembly, Spec- and Similar Replacement Parts
    Department of the Navy · due Nov 16, 2026 · N0010426QFF21
    • Deadline extended from Oct 23, 2026 to Nov 16, 2026
    • Description text changed
  56. Notice type changed · 3 updates in 45 days
    Canister
    Department of the Navy · due Nov 16, 2026 · N0010426QFG27
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Description text changed
  57. Deadline extended · 4 updates in 45 days
    O-ring
    Department of the Navy · due Nov 16, 2026 · N0010426QFG26
    • Deadline extended from Oct 30, 2026 to Nov 16, 2026
    • Description text changed
  58. Description updated
    FY29 PN108808 Nonorganizational Vehicle Parking Garage at Tripler Army Medical Center on Oahu, Hawaii
    Department of the Army · W9128A279A001
    • Description text changed
  59. Notice type changed
    Fiber Optic Adapter - and Other Replacement Parts
    Department of the Navy · due Nov 16, 2026 · N0038326QPD07
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  60. Notice type changed
    NRP, Cherry Picker a
    Department of the Navy · due Nov 16, 2026 · N0038326QPD22
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  61. Notice type changed
    Data Acquisition Un, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326RBB26
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 16, 2026)
    • Description text changed
  62. Notice type changed
    Modules, Swtchg Valv, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326QLB24
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 16, 2026)
    • Description text changed
  63. Notice type changed
    Bipod Assembly, Airc
    Department of the Navy · due Nov 16, 2026 · N0038326QNB47
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 16, 2026)
    • Description text changed
  64. Notice type changed
    Fuel Control, Main, T, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038327QSA10
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 13, 2026)
    • Description text changed
  65. Notice type changed
    Recorder, Video, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326RHA96
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 12, 2026)
    • Description text changed
  66. Notice type changed
    Encryption-decrypti, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326RHA97
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 12, 2026)
    • Description text changed
  67. Notice type changed
    Transfer Unit, Progr, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326RHA98
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 12, 2026)
    • Description text changed
  68. Notice type changed
    Manifold Assembly, H, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326QHA99
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 12, 2026)
    • Description text changed
  69. Notice type changed
    NRP, Bottle Monex Fi, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326QNB44
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 13, 2026)
    • Description text changed
  70. Notice type changed
    Starter, Engine, Elec, in Repair/modification of
    Department of the Navy · due Nov 16, 2026 · N0038326RSC40
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 9, 2026)
    • Description text changed
  71. Notice type changed
    Circuit Card Assemb
    Department of the Navy · due Nov 16, 2026 · N0038326QPC16
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 9, 2026)
    • Description text changed
  72. Notice type changed
    Wiring Harness
    Department of the Navy · due Nov 16, 2026 · N0038326RNA53
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 9, 2026)
    • Description text changed
  73. Notice type changed
    Cylinder Assembly, R
    Defense Logistics Agency · due Nov 16, 2026 · SPRPA126RVC72
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  74. Notice type changed
    Stores Management C
    Defense Logistics Agency · due Nov 16, 2026 · SPRPA126QYD58
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  75. Notice type changed
    Duct Assy
    Department of the Navy · due Nov 16, 2026 · N0038326QDA53
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  76. Notice type changed
    Converter, Analog to
    Defense Logistics Agency · due Nov 16, 2026 · SPRPA126RVC74
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  77. Description updated
    Global Positioning System Based Range Instrumentation Equipment (GPS-BRIE)
    Department of the Navy · due Nov 16, 2026 · N6893627R0002
    • Description text changed
  78. Notice type changed
    Pulley, Groove
    Department of the Navy · due Nov 16, 2026 · N0038326QPD29
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Nov 10, 2026)
    • Description text changed
  79. Notice type changed · 2 updates in 45 days
    Condenser Coils Replacement for the VA Illiana Health Care System (VAIHCS), located at 1900 E. Main Street, Danville, IL 61832.
    Department of Veterans Affairs · due Nov 4, 2026 · 36C25227Q0051
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from None to Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
    • Description text changed
  80. Description updated · 6 updates in 45 days
    Aircraft Coatings and Sealants OO-ALC
    Department of the Air Force · Utah · due Nov 3, 2026 · FA822427R0002
    • Description text changed
  81. Description updated
    DK Boom Spray Rig for Flat-Bed Truck
    Bureau of Reclamation · due Nov 13, 2026 · 140RR027Q0005
    • Description text changed
  82. Notice type changed
    Department of Veteran Affairs - Personnel Security Adjudication Center
    Department of the Army · due Nov 12, 2026 · W9127S27RA008
    • Notice type changed from Sources sought to Solicitation: now open for bids
    • Response deadline set to Nov 12, 2026 (was Oct 15, 2026)
    • Description text changed
  83. Deadline extended · 2 updates in 45 days
    Electro-Therapeutic Modalities for Pain Management (ETMPM) - Transcutaneous Electrical Nerve Stimulation (TENS) Procurement Program
    Department of Veterans Affairs · Colorado · due Oct 30, 2026 · 36C79126R0011
    • Deadline extended from Oct 19, 2026 to Oct 30, 2026
  84. Notice type changed
    Operation & Maintenance (O&M) of T-ATS Vessels
    Department of the Navy · due Nov 16, 2026 · N3220526R6006
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 16, 2026 (was Oct 26, 2026)
    • Description text changed
  85. Deadline extended · 3 updates in 45 days
    Critical Care Hospital Bed Rental Services (Hill-Rom OR EQUAL)
    Department of Veterans Affairs · Florida · due Oct 28, 2026 · 36C24827Q0025
    • Deadline extended from Oct 21, 2026 to Oct 28, 2026
    • Description text changed
  86. Notice type changed
    Project Labor Agreement (PLA) Notice: Liberty State Park Ecosystem Restoration Project, Jersey City, NJ
    Department of the Army · New Jersey · due Oct 30, 2026 · W912DS27S0002
    • Notice type changed from Sources sought to Special notice
  87. Deadline extended · 3 updates in 45 days
    Loleta Water System Upgrades
    Forest Service · Pennsylvania · due Oct 26, 2026 · 12445526Q0132
    • Deadline extended from Oct 19, 2026 to Oct 26, 2026
    • Description text changed
  88. Deadline extended · 2 updates in 45 days
    EAGLE Fort Riley KS W519TC-26-R-A054
    Department of the Army · Kansas · due Oct 28, 2026 · W519TC26RA054
    • Deadline extended from Oct 14, 2026 to Oct 28, 2026
  89. Deadline extended
    INSCOM G-2 Access Control and Security Escorts (ACES)
    Department of the Army · Virginia · due Nov 18, 2026 · W50NH9-26-R-A028
    • Deadline extended from Nov 4, 2026 to Nov 18, 2026
    • Description text changed
  90. Deadline extended · 3 updates in 45 days
    Amendment 0002 Y1DZ--36C261-28-AP-0022 | 612-27-1-6009-0001 | Construct Modular Imaging Center in Stockton | 612A4-CSI-002
    Department of Veterans Affairs · California · due Dec 4, 2026 · 36C26127Q0029
    • Deadline extended from Oct 21, 2026 to Dec 4, 2026
    • Description text changed
  91. Description updated
    Dock-side (DS): USCGC KIMBALL Quarter 3 FY27 Repair
    US Coast Guard · Hawaii · due Oct 26, 2026 · DOCKSIDE-REPAIRS-Quarter-3-FY27-CGC-KIMBALL
    • Description text changed
  92. Description updated · 7 updates in 45 days
    36C25726Q0431 504-26-006 Re Finish B4 N and F Adm
    Department of Veterans Affairs · Texas · due Oct 29, 2026 · 36C25726Q0431
    • Description text changed
  93. Deadline extended
    Liner, Augmentor Com
    Defense Logistics Agency · due Nov 16, 2026 · SPRTA127R2220
    • Deadline extended from Oct 9, 2026 to Nov 16, 2026
    • Description text changed
  94. Description updated
    Sources Sought JBNC Seed (September Delivery)
    Department of Veterans Affairs · due Nov 11, 2026 · 36C78627Q0003
    • Description text changed
  95. Description updated
    Sources Sought JBNC Herbicide (February Delivery)
    Department of Veterans Affairs · due Nov 11, 2026 · 36C78627Q0005
    • Description text changed
  96. Description updated
    Illinois River Basin, Brandon Road L and D, Joliet, Illinois, Flushing Lock and Dam Gates Fabrication
    Department of the Army · due Nov 30, 2026 · W912EK27RA001
    • Description text changed
  97. Deadline extended · 2 updates in 45 days
    B Department Operations Support
    Department of the Navy · Virginia · due Jan 1, 2027 · N0017827R3103
    • Deadline extended from Jan 1, 2027 to Jan 1, 2027
  98. Description updated
    Pipeline Safety Research and Development (R&D) - Research Announcement 12
    Pipeline and Hazardous Materials Safety Administration · District of Columbia · due Nov 2, 2026 · 693JK326RA001
    • Description text changed
  99. Notice type changed
    AZ BL COLO 7528(1) Burro Creek Road
    Federal Highway Administration · Arizona · due Nov 17, 2026 · 6982AF27B000002
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
  100. Description updated · 2 updates in 45 days
    2 Relay Assembly NSN: 5945-01-442-4318FW
    Department of the Air Force · Oklahoma · due Nov 18, 2026 · FA811926R0008
    • Description text changed

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