Scrutineering

C3.5.1 Floor Body “Floor Body” Bodywork must: a. lie in its entirety within RV-FLOOR-BODY. b. when viewed from below, fully obscure: i. RV-PU-ICE ii. RV-DIFF. c. have up to two sections in any Z-Plane. C3.5.2 Floor Foot

C3.5.2 Floor Foot “Floor Foot” Bodywork must: a. lie in its entirety within RV-FLOOR-FOOT. b. when viewed from above, fully obscure RS-FLOOR-FOOT. c. have up to two sections in any Z-Plane. C3.5.3 Floor Sidewall

C3.5.3 Floor Sidewall “Floor Sidewall” Bodywork must: a. lie in its entirety within RV-FLOOR-SIDEWALL. b. have up to two sections in any Y-Plane. c. above Z = 100, have up to two sections in any Z-Plane. C3.5.4 Main Floor

C3.5.5 Floor Board “Floor Board” Bodywork must: a. lie in its entirety within RV-FLOOR-BOARD. b. have up to three sections in any X, Y and Z-Plane. Floor Board Aerodynamic Surfaces visible from the side must: c. rearward of X = 825, at any point, in any Z-Section have a: F i. normal with a positive X component. ii. tangent that forms an angle of at least 15 degrees to the X-Axis. d. contain no concave radius of curvature less than 100mm. Furthermore: e. compliance with (c) and (d) is not required within 35mm of up to three points, which must sit forward of X = 1100 and be no closer than 50mm to each other. F C3.5.6 Floor Bib

C3.5.6 Floor Bib “Floor Bib” Bodywork must: a. lie in its entirety within RV-FLOOR-BIB. b. be fully visible from either above or below, such that any surface obscured from one direction is visible from the other. Floor Bib Aerodynamic Surfaces must: c. contain no concave radius of curvature: i. visible from below. ii. less than 50mm, if visible from above. C3.5.7 Floor Leading Edge Device

C3.5.7 Floor Leading Edge Device “Floor Leading Edge Device” Bodywork must: a. lie in its entirety within RV-FLOOR-LED. b. have up to five sections in any X and Z-Plane. c. above Z = 60, be no less than 4mm thick when measured normal to Floor Leading Edge Device Aerodynamic Surfaces only. Floor Leading Edge Device Aerodynamic Surfaces above Z = 60 must: 2026 Formula 1: Technical Regulations 27 February 2026 C2 0 C 0 SECTION C: TECHNICAL REGULATIONS c. be no less than 4mm thick (being the minimum distance when measured normal to the surface). d. contain no convex radius of curvature less than 2mm C3.5.8 Floor Winglet

C3.5.9 Floor Fence “Floor Fence” Bodywork must: a. lie in its entirety within: i. an axis aligned cuboid of the following dimensions [X, Y, Z] = [450, 40, 200] ii. RV-FLOOR-FENCE. b. be fully visible from either above or below, such that any surface obscured from one direction is visible from the other. c. have up to two sections in any Y-Plane. Furthermore, 2026 Formula 1: Technical Regulations 27 February 2026 C2 1 C 0 SECTION C: TECHNICAL REGULATIONS d. when considering a section formed by the intersection with in any Z-Plane, within 150 100mm of the rearmost point of the section, a line tangent to any part of the section visible from the side must not form an angle greater than 5 degrees, when measured against the X-axis. C3.5.10 Floor Corner

C3.5.10 Floor Corner “Floor Corner” Bodywork is exempt from Article C3.2.4, but must: a. lie in its entirety within RV-FLOOR-CORNER. b. have up to 3 sections in any X-Plane. c. have up to 4 sections in any Y-Plane. d. have up to 2 sections in any Z-Plane. C3.5.11 Floor Tyre IR Sensor

C3.6.1 Plank Assembly A “Plank Assembly” must be fitted, consisting of the Plank, Skids and mountings. The following provisions apply to the Plank Assembly: a. The upper surface of the Plank Assembly must lie at Z = 0, and must not be in contact with the External Air Stream. b. The geometry of the Plank Assembly must conform to RV-PLANK with a general manufacturing tolerance of ±0.5mm when new, unless a specific dimensional tolerance is defined. c. The Plank Assembly must have three 34mm diameter holes whose axes are parallel to the Z−axis. The centres must lie on Y = 0 and have X-locations X = 500, −600 ≥ X ≥ −800, and 470 F C ≤ X ≤ 630. Furthermore, the centre of the rearmost hole must lie on or ahead of X = −500. PU R d. The thickness of the Plank Assembly measured normal to the lower surface must be 10mm ± 0.2mm and must be uniform when new. A minimum thickness of 8mm will be accepted due to 2026 Formula 1: Technical Regulations 27 February 2026 C2 4 C 0 SECTION C: TECHNICAL REGULATIONS wear, and conformity to this provision will be checked at the peripheries of the holes required by (c) above. Evaluation of Skid wear will be made by physical measurement of the Skid with it removed from the car. The Measurement will be made with a micrometer with a 6.35mm diameter anvil. When measured in this way, the entire periphery of each hole must be within the specified tolerance. Four additional 10mm diameter holes are permitted provided their sole purpose is to allow access to the bolts which secure the FIA ADR to the Survival Cell. C3.6.2 Plank

C3.7.3 Mid Chassis “Mid Chassis” Bodywork must: a. lie in its entirety within RV-CH-MID. b. have up to two sections in any Z-Plane. Mid Chassis Aerodynamic Surfaces must contain: c. no concave radius of curvature less than 50mm, except for regions within: i. 50mm of the Secondary Roll Structure. ii. 25mm of the Aperture defined in Article C3.16.10. d. no convex radius of curvature less than 25mm below Z = 200. 2026 Formula 1: Technical Regulations 27 February 2026 C2 7 C 0 SECTION C: TECHNICAL REGULATIONS C3.7.4 Roll Hoop

C3.7.5 Mirror “Mirror Body” Bodywork must: a. lie in its entirety within RV-MIRROR-BODY. b. fully enclose an individual instance of RV-LATERAL-SAFETY-LIGHT which may be freely translated along any axis, and rotated up to +/-5deg about any Z-axis only. c. have an external surface coincident with the highlighted surface of RV-LATERAL-SAFETY- LIGHT. “Mirror Inner Stay” Bodywork must: d. lie in its entirety within RV-MIRROR-ISTAY. e. intersect Mirror Body and Mid Chassis. “Mirror Rear Stay” bodywork must: f. lie in its entirety within RV-MIRROR-RSTAY. g. intersect Mirror Body and Sidepod. h. in any X-Plane, measure less than: i. 50mm in Z. ii. 10mm in Y. “Mirror” results from the Trim and Combination of the following components: i. Mirror Body. j. Mirror Inner Stay. k. Mirror Rear Stay. A Fillet Radius, no greater than 10mm, may be applied along the intersections between the remaining component parts. Once fully defined, Mirror must: l. be a single volume with no overlapping regions. C3.7.6 Driver Cooling

C3.9.1 Tail “Tail” Bodywork must: a. lie in its entirety within RV-TAIL. b. when viewed from below, be fully obscured by Floor Body forward of X = 295. R c. below Z = 450, have up to three sections in any Z-Plane. 2026 Formula 1: Technical Regulations 27 February 2026 C3 0 C 0 SECTION C: TECHNICAL REGULATIONS C3.9.2 Exhaust Tailpipe

C3.11.2 Rear Wing Endplate Body “Rear Wing Endplate Body” Bodywork must: a. lie in its entirety within RV-RWEP-BODY. b. have up to two sections in any Y-Plane c. when viewed from the side, fully obscure RS-RWEP. Rear Wing Endplate Body Aerodynamic Surfaces must: d. contain no concave radius of curvature less than 100mm. C3.11.3 Rear Wing Brace

C3.11.3 Rear Wing Brace “Rear Wing Brace” Bodywork must: a. lie in its entirety within: 2026 Formula 1: Technical Regulations 27 February 2026 C3 9 C 0 SECTION C: TECHNICAL REGULATIONS i. an axis aligned cuboid of the following dimensions [X, Y, Z] = [100, 375, 40]. ii. RV-RW-BRACE. b. in any Y Plane: i. have at least one axis of symmetry where the larger one will be called the ‘major axis’. ii. have no dimension which exceeds 5mm larger than the major axis. c. contain no concave radius of curvature less than 100mm. C3.11.4 Rear Wing Pylon