- Section 27900 - Display of name or trademark of person under whose authority vehicle is being operated
- Section 27901 - Size, shape, and color of display of name or trademark
- Section 27902 - Applicability of Section 27900
- Section 27903 - Display of placards and marking on vehicle transporting explosive, blasting agent, flammable liquid, flammable solid, oxidizing material, corrosive, compressed gas, poison, radioactive material, or other hazardous materials
- Section 27904 - Display of name of company which owns or operates pilot car
- Section 27904.5 - Display of signs containing word "OVERSIZE" on pilot car
- Section 27905 - Unlawful display on vehicle of sign with words "fire" or "fire department"
- Section 27906 - Schoolbus signs
- Section 27906.5 - Youth bus signs
- Section 27906.7 - Signage for zero-emission schoolbuses
- Section 27907 - Sign showing name of company or owner or operator on tow truck repossessor's tow truck or automobile dismantler's tow truck
- Section 27908 - Taxicab signs
- Section 27909 - Sign on vehicle which carries or is fueled by liquefied petroleum gas fuel or natural gas
- Section 27910 - Study to determine effective means to enforce Commercial Vehicle Registration Act of 2001