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

C3.5.8 Floor Winglet “Floor Winglet” Bodywork, which is exempt from Article C3.2.4, must be fitted and results from the Trim and Combination of the following components: a. RS-FLOOR-WINGLET. b. “Winglet Profile”, which must: i. lie in its entirety within RV-FLOOR-WINGLET. ii. contain no more than a single section in any X, Y and Z-Plane. c. A single Hanger, which must: i. when viewed from below, be fully obscured by RS-FLOOR-WINGLET. Furthermore, Winglet Profile Aerodynamic Surfaces must: d. contain no concave radius of curvature less than 20mm. Once Trimmed and Combined, Floor Winglet and the annotated surface ‘TRIM-SURFACE’ may only be modified together, and in the following order: e. Rotated by ±5 Degrees about a Y-aligned axis that passes though the point [X , Z] = [295, 200] R f. Translated by ±10mm in Z. Furthermore, Floor Winglet may be: g. trimmed below the annotated surface ‘TRIM-SURFACE’ in RS-FLOOR-WINGLET. Once fully defined, Floor Winglet must: h. have up to two sections in any Z-Plane below the annotated surface ‘TRIM-SURFACE’ in RS- FLOOR-WINGLET. i. except for C3.5.8(c), lie in its entirety within RV-FLOOR-WINGLET-ENVELOPE. C3.5.9 Floor Fence

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

C3.7.2 Forward Chassis “Forward Chassis” Bodywork must: a. lie in its entirety within RV-CH-FRONT. b. fully enclose RV-CH-FRONT-MIN. c. have up to two sections in any Z-Plane. Forward Chassis Aerodynamic Surfaces, in any X-Plane, must contain: d. no convex radius less than 45mm. e. no concave radius less than 500mm. C3.7.3 Mid Chassis

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

C3.7.4 Roll Hoop “Roll Hoop” Bodywork is exempt from Article C3.2.4, but must: a. lie in its entirety within RV-ROLL-HOOP. C3.7.5 Mirror

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

C3.8.2 Engine Cover “Engine Cover” Bodywork must: 2026 Formula 1: Technical Regulations 27 February 2026 C2 9 C 0 SECTION C: TECHNICAL REGULATIONS a. lie in its entirety within RV-EC. b. have up to two sections in any Z-Plane. c. when viewed from the side, fully obscure RS-EC. Engine Cover Aerodynamic Surfaces, in any X-Plane outboard of Y = 5, must contain: d. no convex radius of curvature less than 75mm. e. no concave radius of curvature less than 50mm. Furthermore, when considering Aerodynamic Surfaces only: f. compliance with (d) and (e) is not required: i. within 20mm of the upper and lower Side Impact Structures, where the radius of curvature, measured independent of direction, must not be less than 10mm. ii. within 20mm of the CCU Antenna, defined in Article C8.5.4, where the radius of curvature, measured independent of direction, must not be less than 5mm. iii. inboard of Y = 25, where the radius of curvature, in any X-Plane, must not be less than 25mm. g. rearward of X = −300 and below Z = 350, the X component of any normal to the surface visible R from the side must not be negative. h. there must be no surface parallel to an X-Plane ahead of X = −55. R C3.8.3 Rear Bodywork Assembly

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

C3.11.1 Rear Wing Profiles “Rear Wing Profiles” Bodywork must: a. lie in its entirety within RV-RW-PROFILES. b. comprise of up to three, non-intersecting, simply connected volumes. c. when assessing each volume independently, contain no more than two sections in any Z-Plane and a single section in any X and Y -Plane. d. in any Y-Plane, within 40mm of the rearmost point of the forwardmost section, a line tangent to any part of the section visible from below, must not form an angle greater than 10 degrees when measured against the X-axis. e. in any Y-Plane, contain: i. no concave radius of curvature visible from below. ii. no concave radius of curvature less than 100mm visible from above. Furthermore: f. when measured against a Y-Plane, contain no normal to any point on the surface that subtends an angle greater than 20°, or greater than 45° for the region within RV-RW-NOTCH. For volumes thicker than 0.5mm in their entirety (measured normal to the surface on any Y-Plane), compliance with this Article may be determined prior to application of any Edge Radii necessary to demonstrate compliance with C3.3.1 (a). i. compliance with (f) is not required for surfaces that lie exactly on Y = 0 or Y= 575. g. at all points along the span, the minimum distance between adjacent Rear Wing Profiles volumes must be between 8mm and 12mm and will be measured with a spherical gauge. Once the Rear Wing Profiles bodywork is fully defined, a Gurney of up to 10mm may be fitted to the trailing edge of the upper surface of the rearmost section. This Gurney is considered part of the Rear Wing Profiles and must satisfy the provisions of this Article except for (c), (e) and (f). C3.11.2 Rear Wing Endplate Body

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

C3.11.4 Rear Wing Pylon “Rear Wing Pylon” Bodywork must: a. lie in its entirety within RV-RW-PYLON. b. in any Z-Plane: i. have a total area no greater than 5000 mm2, except for regions within 30mm of Exhaust Tailpipe. ii. have a section thickness less than 25mm when measured in the Y direction, except for regions inside of RV-TAILPIPE. Furthermore: c. no part of Rear Wing Profiles may be obscured by Rear Wing Pylon when viewed from above. C3.11.5 Rear Wing Assembly

C3.11.7 Rear Wing Auxiliary Components Once Rear Wing Assembly has been fully defined, the following “Rear Wing Auxiliary Components”, which are exempt from Article C3.2.4, may be fitted: {…} e. A single “Rear Wing Pylon Brace”, across both sides of the car, which must: i. lie in its entirety between Z = 400 and Z = 590 and forward of X = 390. R ii. not be visible from the side with the Rear Wing Pylons present. 2026 Formula 1: Technical Regulations 27 February 2026 C2 57 C 0 SECTION C: TECHNICAL REGULATIONS iii. in any Y Plane, have at least one axis of symmetry where the larger one will be called the ‘major axis’ and must be less than 100mm in length. iv. in any Y Plane, have no dimension which exceeds 5mm larger than the major axis. v. in any Y Plane, be no more than 25mm thick, measured normal to the major axis. Furthermore, once all Rear Wing Auxiliary Components have been defined: f. they must be Trimmed and Combined with Rear Wing Assembly. g. a Fillet Radius no greater than 10mm, may be applied along the intersection between Rear Wing SLM Adjuster Fairing and Rear Wing Assembly, and Rear Wing Pylon Brace and Rear Wing Assembly. Fillet Radii, no greater than 4mm, may be applied along all remaining intersections with Rear Wing Assembly. h. they, except for the Rear Wing Pylon Brace, must be arranged such that they are not visible from below with Rear Wing Assembly in place. (c) (a.i) / (a.iii) (d) (e) (f) (h) C3.16.6 Front [50, 125 155, 15,000 None i. Except for minimal incidental leakage, all Influx