ASC 2024 Seat-Related Regulations Summary

10.3.B Occupant Seats

Only 1 seat.
The seat must face forward at an angle of less than 10 degrees from the direction of travel.
The back and head restraints must have at least 20mm of resilient material and must be securely mounted behind the head without cable ties, fabric straps, or temporary attachments.
The headrest must support the occupant’s head in the normal position.
The distance from the hip to the top of the head restraint must be at least 800mm, additional padding must be included in this measurement.
The occupant’s heels must be below their hip point.
The angle between the shoulders, hips, and knees must be more than 90 degrees.
All seat padding must be positively secured to the seat, i.e. actively attached to the seat, you can’t just set a pillow on the seat.

8.8.D Reverse

You must be able to drive the car in reverse while seated in the normal position.

9.5.E Rear Vision

The rear-view screen must be positioned so the driver can see it while seated in the normal position.

10.3.A Occupant Cell

When seated normally with a seat belt and helmet on, no part of the occupant or the full range of motion of their head can intersect with the occupant cell.

10.3.C Occupant Space

This section outlines the minimum size of the occupant space, the seat must accommodate it.

10.3.E Safety Belts

We need a 5-point lap and shoulder belt harness for every occupant.
The seat must accommodate the seatbelt design requirements outlined in this section.

10.4.E Critical Areas

10.6.C Locking

The driver must be able to lock the parking brake while seated in the normal position and wearing a seat belt.

Appendix E Mechanical PVDR Form

Seat belt mounting points must be in the vehicle description’s profile and top view drawings.

*I left out a couple of regs for multi-occupant vehicles that mainly had to do with scoring and how many passengers you have to have at all times.