Club Certificate2025
CODE-ZEROTUR 28001
Turkiye
Sailing
Federation
www.tyf.org.tr/
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.2°42.2°40.1°38.0°37.0°36.3°36.0°35.6°36.3°
Beat VMG2.683.694.464.925.135.255.335.435.39
52°4.195.586.486.927.177.327.447.617.66
60°4.475.856.677.117.437.627.777.978.07
75°4.615.996.817.317.768.108.328.678.88
90°4.626.056.897.317.858.378.819.479.94
110°4.796.267.207.918.418.869.3010.1411.14
120°4.636.147.177.998.759.359.9111.0112.13
135°3.915.476.727.568.439.3910.4712.5514.58
150°3.234.595.776.717.508.249.1411.6315.36
Run VMG2.803.985.005.816.507.147.9110.0713.30
Gybe Angles142.6°142.6°146.2°150.1°150.6°148.5°145.8°144.9°148.6°
APH ToD:524.5CDL: 8.780APH ToT: 1.1440CertNo:
BOAT
ClassFARR 280 ODDesignerFARR YACHT DESIGNBuilderPREMIER COMPOSITEAge date01/2014Series date01/2014Offset fileFARR280.OFFData fileTUR28001
HULL
Length Overall8.690 mMaximum Beam2.864 mDraft2.109 mDisplacement1,675 kgDLR3.2916IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.357%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight590 kg(declared)Minimum weight460 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.7630.49Headsail Luffed18.5818.58Headsail FlyingSymmetricAsymmetric93.6793.67 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.09Storm Jib6.42Heavy Weather Jib17.31
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
Club Certificate2025
CODE-ZEROTUR 28001
Turkiye
Sailing
Federation
www.tyf.org.tr/
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1345.6976.2807.2732.4702.1685.8675.4663.4667.3
52°859.3645.6555.6520.2502.2491.7483.9473.3470.1
60°805.2615.8539.6506.0484.3472.3463.5451.5446.3
75°780.4600.6528.9492.8463.9444.6432.6415.0405.3
90°778.5594.8522.1492.2458.3430.1408.4380.2362.1
110°751.4574.9500.0454.9428.3406.1386.9355.2323.1
120°777.2586.2502.1450.7411.7385.2363.4326.9296.9
135°921.8658.2535.9476.2427.2383.2344.0286.9246.9
150°1115.1784.1624.1536.4480.3436.9393.9309.5234.3
Run VMG1287.7905.4720.6619.4554.2504.4454.9357.3270.6
Selected Courses
Windward / Leeward1316.2940.8763.9675.9628.2595.1565.1510.4468.9
All purpose990.5726.5606.7547.9511.5484.9462.3424.9397.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward648.10.9258
All purpose524.51.1440
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8012
Downwind "popa"1.0203
70% up, 30% down "Ilhabela"0.8564
30% up, 70% down "Ilhabela-inverso"0.9429
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Predominantly Upwind576.21.0413
Predominantly Downwind522.21.1491
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low666.60.9001
Triple Number AP Medium525.01.1429
Triple Number AP High453.91.3218
Triple Number Windward/Leeward Low890.00.6742
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Single Number Predominant Upwind595.51.0075
Single Number Predominant Reaching515.11.1649
Single Number Predominant Downwind540.11.1109
Predominant Upwind - Low804.50.7458
Predominant Upwind - Low/Med628.10.9552
Predominant Upwind - Medium561.01.0695
Predominant Upwind - Med/High518.11.1582
Predominant Upwind - High492.41.2185
Predominant Downwind Low791.20.7583
Predominant Downwind Low/Med596.21.0063
Predominant Downwind Medium507.81.1815
Predominant Downwind Med/High433.21.3849
Predominant Downwind High376.31.5946
Predominant Reaching Low711.00.8439
Predominant Reaching Low/Med556.61.0781
Predominant Reaching Medium488.41.2285
Predominant Reaching Med/High431.71.3898
Predominant Reaching High393.71.5238
SA/DSPL Upwind34.21SA/DSPL Downwind87.36
Scoring OptionTODTOT
5-Band Windward/Leeward Low990.50.6057
5-Band Windward/Leeward Low/Med738.90.8120
5-Band Windward/Leeward Medium636.60.9426
5-Band Windward/Leeward Med/High566.31.0596
5-Band Windward/Leeward High512.71.1704
Windward/Leeward 60-40 Low997.70.6014
Windward/Leeward 60-40 Low/Med749.10.8009
Windward/Leeward 60-40 Medium651.40.9211
Windward/Leeward 60-40 Med/High588.51.0196
Windward/Leeward 60-40 High543.41.1043
5-Band AP Low728.60.8235
5-Band AP Low/Med589.61.0177
5-Band AP Medium516.91.1607
5-Band AP Med/High464.01.2932
5-Band AP High426.71.4063
5-Band SF Bay Tour - Low856.10.7008
5-Band SF Bay Tour - Low/Med706.40.8493
5-Band SF Bay Tour - Medium612.20.9801
5-Band SF Bay Tour - Med/High548.21.0944
5-Band SF Bay Tour - High502.01.1953
Chicago-Mac Upwind0.9766
Chicago-Mac All Purpose1.0205
Chicago-Mac Downwind1.0625
Bayview-Mac Cove Island0.7551
Bayview-Mac Shore0.7598
Harvest Moon Regatta441.81.3582
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance569.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0532
Triple Number Coastal/Long Distance Low0.9001
Triple Number Coastal/Long Distance Medium1.1430
Triple Number Coastal/Long Distance High1.3218
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9272
Triple Number Windward/Leeward High1.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
For information
General Purpose Handicap (GPH)587.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low666.6
Triple Number Coastal/Long Distance Medium524.9
Triple Number Coastal/Long Distance High453.9
Triple Number Windward/Leeward Low852.4
Triple Number Windward/Leeward Medium647.1
Triple Number Windward/Leeward High552.1
Predominantly Upwind576.2
Predominantly Downwind522.2
Predominantly Reaching504.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9001
Triple Number Coastal/Long Distance Medium1.1430
Triple Number Coastal/Long Distance High1.3218
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9272
Triple Number Windward/Leeward High1.0868
Coastal/Long Distance1.0532
Predominantly Upwind1.0413
Predominantly Downwind1.1491
For information
General Purpose Handicap (GPH)587.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1440
Distanseseilas Trippeltall svak vind0.9001
Distanseseilas Trippeltall mellomvind1.1430
Distanseseilas Trippeltall sterk vind1.3218
Pølsebane Trippeltall svak vind0.7039
Pølsebane Trippeltall mellomvind0.9272
Pølsebane Trippeltall sterk vind1.0868
Motvind Singeltall1.0413
Medvind Singeltall1.1491
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Coastal/Long Distance569.71.0532
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind576.21.0413
Predominantly Downwind522.21.1491
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore481.41.2464
Cape Doctor Coastal405.91.4783
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9001
Triple Number Coastal/Long Distance Medium1.1430
Triple Number Coastal/Long Distance High1.3218
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9272
Triple Number Windward/Leeward High1.0868
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9001
Triple Number Coastal/Long Distance Medium1.1430
Triple Number Coastal/Long Distance High1.3218
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9272
Triple Number Windward/Leeward High1.0868
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Predominantly Upwind576.21.0413
Predominantly Downwind522.21.1491
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance569.71.0532
Triple Number Coastal/Long Distance Low666.60.9001
Triple Number Coastal/Long Distance Medium524.91.1430
Triple Number Coastal/Long Distance High453.91.3218
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1388.3937.3720.5612.9546.0503.8466.3403.7375.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low666.60.9001
Triple Number AP Medium525.01.1429
Triple Number AP High453.91.3218
Triple Number Windward/Leeward Low890.00.6742
Triple Number Windward/Leeward Medium647.10.9272
Triple Number Windward/Leeward High552.11.0868
Single Number Predominant Upwind595.51.0075
Single Number Predominant Reaching515.11.1649
Single Number Predominant Downwind540.11.1109
Predominant Upwind - Low804.50.7458
Predominant Upwind - Low/Med628.10.9552
Predominant Upwind - Medium561.01.0695
Predominant Upwind - Med/High518.11.1582
Predominant Upwind - High492.41.2185
Predominant Downwind Low791.20.7583
Predominant Downwind Low/Med596.21.0063
Predominant Downwind Medium507.81.1815
Predominant Downwind Med/High433.21.3849
Predominant Downwind High376.31.5946
Predominant Reaching Low711.00.8439
Predominant Reaching Low/Med556.61.0781
Predominant Reaching Medium488.41.2285
Predominant Reaching Med/High431.71.3898
Predominant Reaching High393.71.5238
SA/DSPL Upwind34.21SA/DSPL Downwind87.36
Scoring OptionTODTOT
5-Band Windward/Leeward Low990.50.6057
5-Band Windward/Leeward Low/Med738.90.8120
5-Band Windward/Leeward Medium636.60.9426
5-Band Windward/Leeward Med/High566.31.0596
5-Band Windward/Leeward High512.71.1704
Windward/Leeward 60-40 Low997.70.6014
Windward/Leeward 60-40 Low/Med749.10.8009
Windward/Leeward 60-40 Medium651.40.9211
Windward/Leeward 60-40 Med/High588.51.0196
Windward/Leeward 60-40 High543.41.1043
5-Band AP Low728.60.8235
5-Band AP Low/Med589.61.0177
5-Band AP Medium516.91.1607
5-Band AP Med/High464.01.2932
5-Band AP High426.71.4063
5-Band SF Bay Tour - Low856.10.7008
5-Band SF Bay Tour - Low/Med706.40.8493
5-Band SF Bay Tour - Medium612.20.9801
5-Band SF Bay Tour - Med/High548.21.0944
5-Band SF Bay Tour - High502.01.1953
Chicago-Mac Upwind0.9766
Chicago-Mac All Purpose1.0205
Chicago-Mac Downwind1.0625
Bayview-Mac Cove Island0.7551
Bayview-Mac Shore0.7598
Harvest Moon Regatta441.81.3582
Club Certificate2025
CODE-ZEROTUR 28001
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFARR 280 ODMeasurement27/08/2020HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsYesTrim tabNo
LOA8.690Max. Beam2.864Draft2.109Displacement1,675Wetted area14.42IMS L8.512LSM07.983Acc. length8.690Sink (kg/mm) 10.78
VCGD-0.393VCGM-0.395RM Rated (kg·m) 42.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight499Declared crew weight590
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.375PBW0.100PIPA0.0026
EDL0.923ST10.042ST20.135
ST30.135ST40.088ST50.305
RIG
Forestay tensionForwardInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders2Rotating mastNo
P11.550IG11.269ISP13.069MDT10.090MDL10.160MDT20.090MDL20.122TL1.580MW0.160GO0.175
E4.000J3.153BAS1.258FSD0.000SFJ0.180SPL0.000WPLTPS4.985BD0.155MWT62.00MCG3.920
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date09/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
CODE-ZEROTUR 28001
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.871.271.822.693.4029.7605/05/2023IRC 2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.090.470.891.662.443.1611.30YesNo 18.5805/05/2023IRC 2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment014.7012.5513.638.208.4597%93.6705/05/2023IRC 2023