12.5 Commercial Auto Endorsements

Common Endorsements

The BAP is tailored with endorsements that broaden, restrict, or schedule coverage. The exam expects you to recognize the function of the most common ISO forms by name.

• Drive Other Car (DOC) — CA 99 10: Extends coverage to a named individual (and family) who has no personal auto of their own — typically an executive furnished a company car. It fills the personal-auto gap for borrowed/owned-by-others autos when driving a non-company vehicle.
• Individual Named Insured — CA 99 17: Adds personal-auto-style coverages (such as coverage while driving non-owned autos and family members) for an individual named insured on a commercial policy.

The distinction the exam draws is this: CA 99 17 is used when the named insured is an individual or husband-and-wife who needs personal coverages folded into a commercial policy, while CA 99 10 (DOC) names specific individuals (typically executives or employees furnished a company car) who own no personal auto policy of their own. Both fill the gap that arises because the BAP, unlike the PAP, does not automatically extend to the named individual's personal, non-business driving.

Hired and Non-Owned Liability

When a policy uses owned-only symbols, two gaps appear:

• Hired Auto Liability covers autos the business leases, hires, rents, or borrows (Symbol 8). Often a separate hired auto physical damage endorsement is added to insure the dealer for damage to a rented vehicle.
• Non-Owned Auto Liability (Symbol 9) covers the business's vicarious liability when employees use their own autos on company business — the employee's personal auto is primary, and this responds excess for the firm.

Trap: Symbol 1 (any auto) already includes hired and non-owned, so adding Symbols 8/9 is only necessary when narrower symbols are used.

A practical example: a contractor writes liability on Symbol 2 (owned autos) to save premium. An employee runs a company errand in their personal pickup and causes an injury accident. Without Symbol 9, the contractor's vicarious liability is uninsured; the employee's personal auto policy would respond first, but it may have low limits and exclude business use. Adding Symbol 9 closes that gap. Likewise, renting a box truck for a one-week move exposes the firm under Symbol 8 (hired) plus a hired-auto physical-damage endorsement for damage to the rented unit.

Rating, Experience Modification, and Mono-Line Forms

Commercial auto is manual-rated by territory, vehicle type, use class (service, retail, commercial), radius of operation, and primary rating factors. Large fleets may be experience-rated, applying an experience modification factor (mod) to manual premium.

Worked example: A fleet has a manual premium of $80,000 and an experience mod of 0.85 (better-than-average losses).

• Modified premium = $80,000 x 0.85 = $68,000 (a 15% credit).

A mod of 1.20 on the same premium would produce $96,000 — a 20% debit. A mod below 1.00 is a credit (favorable losses); above 1.00 is a debit (adverse losses).

The mod is built by comparing a risk's actual losses to the expected losses for similar operations, so it rewards better-than-average safety records and surcharges worse ones. Beyond the mod, underwriters apply scheduled rating (debits and credits for risk characteristics like driver training, telematics, or maintenance programs) and experience/loss-rating for large accounts. Radius of operation — local (up to 50 miles), intermediate (50-200), or long-haul (over 200) — and use class are primary manual factors that move premium before any mod is applied.

Other Frequently Tested Endorsements

Trap: Standard physical damage caps coverage for permanently installed electronic equipment; CA 99 60 is needed to raise that sublimit.

Drive Other Car, Individual Named Insured, and Pollution Endorsements

Several commercial-auto endorsements appear in scenario questions. The Drive Other Car (DOC) endorsement extends a company auto policy to cover an executive (and family) while driving non-owned autos, filling the gap that exists because the executive has no personal auto policy when furnished a company car. The Individual Named Insured endorsement broadens a commercial policy covering a sole proprietor to provide personal-auto-style protection for the individual and resident family members.

The Pollution Liability — Broadened Coverage for Covered Autos (CA 99 48) restores limited coverage for pollutants being transported by or upon a covered auto, narrowing the standard pollution exclusion. The Hired Auto and Employee-as-Insured endorsements and the Auto Medical Payments (CA 99 03) coverage round out the commonly tested list. Candidates should connect each endorsement to the gap it fills: DOC for an executive with no personal policy, Individual Named Insured for a proprietor, and the pollution endorsement for cargo-related spills.