California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 4 - Special Equipment
Article 14 - Tires and Rims
Section 1087 - Tire Condition and Use

Universal Citation: 13 CA Code of Regs 1087

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) Defects. Tires shall not be used with boot or blowout patches or with any of the following defects:

(1) Unrepaired fabric breaks

(2) Exposed or damaged cord

(3) Bumps, bulges, or knots due to internal separation or damage

(4) Cuts that measure more than 1 in. (25 mm) and expose body cord

(5) Cracks in valve stem rubber

(b) Regrooved Tires. Regrooved tires shall not be used on school buses or any vehicle other than a commercial vehicle. Such tires used on commercial vehicles shall be of a type manufactured and designed for regrooving. Regrooved tires, regardless of size, shall not be used on the front wheels of buses, and regrooved tires which have a load carrying capacity equal to or greater than that of 8.25-20 8 ply-rating tires shall not be used on the front wheels of any other motor vehicle listed in Vehicle Code Section 34500.

(c) Recapped Tires. Tires recapped or retreaded for highway use shall have a tread pattern that complies with Section 27465 of the Vehicle Code and with this section. Recapped or retreaded tires shall not be used on front wheels of a bus or farm labor vehicle. Such tires shall not be used on the front wheels of truck tractors or motortrucks listed in Vehicle Code Section 34500 unless the tires are in compliance with the following requirements:

(1) Tires shall have been retreaded or recapped not more than 2 times and shall contain no casing repair other than that required by a nail puncture.

(2) Tires shall conform to either the labeling and other requirements of the 1972 CRSC Retreading Specifications and Standards or to the Industry Standards For Tire Retreading & Repairing revised September 1, 1995. Tires retreaded on or after November 1, 1997, shall conform to the Industry Standards For Tire Retreading & Repairing revised September 1, 1995.

(3) A new-tire manufacturer who is assigned an identification number by the U.S. Department of Transportation (DOT) may certify adherence to standards equal to or better than CRSC standards (only until November 1, 1997), or the Industry Standards For Retreading & Repairing revised September 1, 1995 for retreaded tires produced in his/her company-owned and -operated retreading facilities. Such certification shall comply with marking or labeling requirements of CRSC (only until November 1, 1997), or the Industry Standards For Tire Retreading & Repairing revised September 1, 1995, except that the certification mark branded into the tire may be of original design. A certification mark of original design shall show the name or trademark and assigned DOT registration number of the manufacturer and designate which of his/her retreading facilities produced the tire.

(4) Successive Retreads. When a retreaded tire bearing the markings specified in preceding subsections is retreaded a second time, the prescribed label shall be cancelled by a diagonal line or other distinctive mark through the label.

(d) Tires on Dual Wheels. The outside diameters of tires used on dual wheels shall be so matched that on a level roadway each tire will contact the surface at all times.

1. Amendment of subsection (a)(1) filed 12-20-76; designated effective 2-1-77 (Register 76, No. 52).
2. Amendment of subsection (c) filed 9-7-77 as an emergency; effective upon filing (Register 77, No. 37).
3. Certificate of Compliance filed 12-23-77 (Register 77, No. 52).
4. Renumbering of section 1088 to section 1087 filed 1-18-82; effective thirtieth day thereafter (Register 82, No. 4)
5. Amendment filed 6-28-82; effective thirtieth day thereafter (Register 82, No. 27).
6. Amendment filed 10-19-83; effective thirtieth day thereafter (Register 83, No. 43).
7. Amendment filed 10-30-86; effective thirtieth day thereafter (Register 86, No. 44).
8. Amendment of subsection (b) filed 9-21-94; operative 9-21-94 pursuant to Government Code section 11346.2(d) (Register 94, No. 38).
9. Amendment of subsections (c)(2) and (c)(3) filed 7-10-97; operative 8-9-97 (Register 97, No. 28).

Note: Authority cited: Sections 27500, 31401, 34501, 34501.5 and 34508, Vehicle Code. Reference: Sections 27500, 27501, 31401, 34501, 34501.5 and 34508, Vehicle Code.

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