The PIF insurance knowledge library

Insurance Questions,
Answered.

Real questions. Clear answers. Know The Policy™.

Insurance makes more sense when you know what to look for. Explore practical explanations of the coverage protecting your home, your vehicle, and your business.

Search questions, explanations, or everyday terms. Twelve practical answers across personal and commercial insurance.

Start with the coverage

A little clarity goes a long way.

From the everyday to the unexpected, find a useful place to start.

Showing 12 questions

The answer starts
with the policy.

We explain the concept, show how it can work, and point out what may change the result. State law, policy editions, endorsements, and carrier wording matter. An insurance label is a starting point, not a coverage determination.

Beyond the short answer

Understand the why.

Personal insurance · Auto insurance

What is stacked uninsured motorists coverage?

Stacking can increase the uninsured motorists (UM) limits available for an eligible injury claim by combining coverage associated with multiple vehicles or policies. It does not mean every household vehicle automatically adds another limit.

UM generally addresses damages an insured is legally entitled to recover from an uninsured driver. Underinsured motorists (UIM) coverage addresses a different problem: a responsible driver whose liability insurance is insufficient. Stacking rules can affect both, but UM and UIM are not interchangeable.

Let’s say…

You insure two vehicles with $100,000 per-person UM limits. If the applicable law and policy allow both limits to be stacked for your claim, up to $200,000 may be available for one injured insured. Payment still depends on covered damages and other policy terms; it is not an automatic $200,000 payout.

What changes the answer?

State law, who qualifies as an insured, the vehicles and policies involved, and any valid stacking waiver or exclusion. Combining limits within one policy and across separate policies can involve different rules. Pennsylvania’s statute, for example, expressly addresses stacking and waiver; that is a Pennsylvania illustration, not a nationwide rule.

Know The Policy™

Ask for the UM/UIM endorsements, declarations, and any signed rejection or stacking-waiver forms. A declarations-page limit alone does not settle whether stacking applies.

↑ Back to search & categories

Personal insurance · Auto insurance

Does a no-fault accident affect insurance?

It can, depending on what you mean by “no-fault,” your state, and your insurer’s permitted rating rules. An accident that was not your fault and a claim under a no-fault insurance system are different things.

No-fault usually refers to injury benefits, commonly personal injury protection (PIP), paid under your own coverage without first determining who caused the crash. It does not mean no one caused the accident, and it does not generally resolve responsibility for vehicle damage.

Let’s say…

Another driver rear-ends your stopped car. You might use your own collision coverage for repairs, subject to its deductible, while the insurers investigate recovery. Using your policy does not itself make you at fault. Separately, eligible injury expenses might be handled through PIP where applicable.

Will the premium go up?

Do not assume a universal yes or no. Some states restrict surcharges for accidents that are not your fault. California’s insurance department, for example, says its insurers do not surcharge you for an accident that is not your fault. That protection is not a promise that the total renewal premium will stay unchanged; other rating changes may apply.

Know The Policy™

Ask how the accident was coded, whether a surcharge or discount change applies, and which state rule permits it. Report the loss as required by your policy rather than relying on a general internet answer.

↑ Back to search & categories

Commercial insurance · Property & construction

Who pays for Builders Risk insurance?

The project owner or contractor may purchase Builders Risk insurance. Start with the construction contract and lender requirements, not an assumption that one party always pays.

Three questions need separate answers: Who must obtain the policy? Who ultimately pays its cost? Whose interests does it insure? A contractor might arrange the insurance and include the premium in the project price. An owner might purchase it directly. Paying the premium does not, by itself, establish insured status.

Let’s say…

An owner hires a general contractor for a new building. Their agreement requires the owner to obtain Builders Risk covering the project and specified project participants. The contractor should confirm the actual policy protects its interest before work begins. A promise in the contract does not amend an insurance policy.

Coordinate more than the premium.

Builders Risk generally addresses covered physical loss to a project during construction. Confirm the project value, covered interests, deductibles, materials in transit or storage, existing structures during renovations, and any needed delay or soft-cost coverage. Flood, earthquake, testing, and occupancy provisions need particular attention.

Know The Policy™

Compare the contract with the issued coverage and its termination provisions. ISO property forms and carrier-specific inland marine forms can differ substantially. Builders Risk does not replace liability insurance, and coverage may end before the scheduled expiration date.

↑ Back to search & categories

Commercial insurance · Workers compensation

What is excess workers compensation insurance?

Excess workers compensation insurance generally protects a qualified self-insured employer or self-insured group against covered workers compensation losses above a stated retention. The employer retains the initial layer of risk and remains responsible for meeting applicable benefit obligations.

Specific excess commonly responds above a retention for an accident or other defined loss unit. Aggregate excess, where available, addresses eligible accumulated losses above an agreed threshold for a period. The precise loss unit, attachment point, exclusions, and limits come from the policy.

Let’s say…

A qualified self-insured employer has a $500,000 specific retention. An accident generates $1.2 million in eligible benefits. In a simplified example, the employer retains $500,000 and the excess layer addresses the next $700,000, subject to the excess contract. Claims expense and reimbursement timing can change the calculation.

Is that the same as an umbrella?

No. Workers compensation pays statutory benefits. Employers liability addresses certain other employee-injury liability claims. A commercial umbrella may sit above employers liability, but ordinarily does not provide excess coverage for the statutory workers compensation obligation.

Know The Policy™

Confirm state authorization to self-insure, required security, the retention, covered loss definition, and claims-handling responsibilities. Carrier terms and state requirements vary. This is a specialized financing arrangement, not a routine extra limit for every workers compensation buyer.

↑ Back to search & categories

Personal insurance · Homeowners

What is Ordinance or Law coverage on homeowners insurance?

Ordinance or Law coverage can help pay eligible costs caused by enforcement of building codes or other qualifying laws after a covered property loss. Repairing the damage and meeting today’s code are related expenses, but the policy can treat them differently.

Let’s say…

A covered kitchen fire damages part of an older home. During permitted repairs, the local authority requires electrical work that meets current code. The ordinary repair cost and the additional cost attributable to code compliance need to be identified separately. Ordinance or Law coverage may address eligible additional costs within its limit.

What should you look for?

Some homeowners forms include a limited additional coverage; endorsements may increase or change it. Depending on the wording, eligible expenses may include code-related increased construction costs and required demolition or rebuilding involving undamaged portions. Do not assume every code requirement or every undamaged part is covered.

Know The Policy™

Read the Ordinance Or Law exclusion together with any additional coverage and endorsements. ISO homeowners forms provide a useful reference framework, but the edition and carrier wording matter. Verify the limit, covered-loss trigger, eligible expenses, and exclusions. Coverage is not a maintenance budget for bringing an undamaged home up to code.

Replacement cost settlement does not, by itself, guarantee payment of every code-upgrade expense.

↑ Back to search & categories

Commercial insurance · Umbrella & excess

How does commercial umbrella insurance work?

Commercial umbrella insurance provides an additional layer of liability protection above designated underlying insurance, often general liability, commercial auto liability, and employers liability. It has its own limits, exclusions, conditions, and defense provisions.

Let’s say…

A covered customer-injury claim settles for $1.6 million. The applicable general liability limit is $1 million. If the underlying layer is properly exhausted and the umbrella also covers the claim, the umbrella may pay the remaining $600,000. This simplified example assumes available limits and leaves defense-cost treatment aside.

Does it cover what the primary policy excludes?

Sometimes, but never assume it. Some umbrella coverage applies to a loss outside underlying coverage, subject to a self-insured retention and the umbrella’s own terms. Other provisions or endorsements narrow coverage or require it to follow the underlying policy. An exclusion in the umbrella can still bar the claim.

Know The Policy™

Compare insured status, underlying schedules, required limits, exhaustion language, exclusions, and defense costs across the layers. A missing or inadequate underlying policy can leave the insured funding a gap. ISO umbrella forms and proprietary carrier forms are not interchangeable; the word “umbrella” on the quote does not establish broader coverage.

Umbrella insurance does not insure damage to the business’s own building or replace statutory workers compensation benefits.

↑ Back to search & categories

Personal insurance · Auto insurance

What is uninsured motorists coverage?

Uninsured motorists (UM) coverage generally addresses covered damages an insured is legally entitled to recover because of bodily injury caused by an uninsured driver. It protects eligible insureds under your policy; it is not liability insurance for injuries you cause to someone else.

Underinsured motorists (UIM) coverage addresses a driver whose liability insurance is insufficient. The way UIM limits interact with the other driver’s limits varies by state and policy. Do not assume the UIM limit is always added on top of the other driver’s payment.

Let’s say…

An uninsured driver causes a crash and injures you. An eligible UM bodily injury claim may address covered damages such as medical expenses, lost income, and other legally recoverable injury damages, within the applicable limits. Your own liability coverage does not serve that purpose.

Does UM also repair your car?

Not necessarily. UM bodily injury and uninsured motorists property damage are distinct coverages. Availability, deductibles, hit-and-run requirements, and the need to identify the other driver differ by state. Collision coverage is another possible route for your vehicle damage, subject to its terms.

Know The Policy™

Check who is an insured, the UM and UIM endorsements, per-person and per-accident limits, exclusions, and claim-notice requirements. Review any signed selection or rejection forms. Health insurance, collision coverage, and UM each address different parts of the loss.

↑ Back to search & categories

Personal insurance · Auto insurance

What is no-fault insurance?

No-fault insurance generally refers to an auto injury-benefit system in which eligible expenses can be paid without first establishing who caused the crash. Personal injury protection (PIP) is commonly the coverage used to provide those benefits.

Depending on the jurisdiction, eligible benefits may include medical treatment, a portion of lost earnings, and certain replacement services. Limits, eligible people, payment priority, deadlines, and exclusions are state-specific. PIP also exists in some states that do not use a no-fault system restricting injury lawsuits.

Let’s say…

You are injured in a crash while the insurers are still investigating fault. Applicable PIP coverage may address eligible injury expenses before that investigation ends. That does not determine who must pay to repair either vehicle.

Can an injured person still sue?

Possibly. Some no-fault systems restrict certain injury lawsuits unless legal thresholds are met. New York, for example, distinguishes basic no-fault economic benefits from claims for pain and suffering subject to its serious-injury rule. That is a New York illustration, not a rule for every state.

Know The Policy™

Look at the applicable state PIP endorsement and claim instructions. Ask which insurer has payment priority and what notice or proof-of-loss deadlines apply. “No-fault” does not mean an accident was nobody’s fault, and it is not a guarantee that an insurance premium cannot change.

↑ Back to search & categories

Personal insurance · Umbrella & excess

What does a personal umbrella insurance policy cover?

A personal umbrella can provide additional liability protection above designated underlying policies, such as homeowners, personal auto, and boat insurance. It can help when a covered claim is larger than the applicable underlying liability limit.

Some forms also cover specified personal injury offenses, such as libel or slander, or other exposures outside the underlying insurance. Broader coverage depends on the umbrella’s own language and may involve a retained amount. A policy labeled “excess liability” may work differently.

Let’s say…

You are responsible for an auto accident that results in $800,000 of covered injury damages. Your applicable auto liability limit is $500,000. If the underlying limit is properly exhausted and the umbrella covers the claim, the umbrella may address the remaining $300,000. This assumes available limits and sets defense-cost treatment aside.

What does it not automatically cover?

An umbrella is not extra property insurance for your own house or car. Business activities, professional services, intentional injury, and particular vehicles or watercraft may be excluded or restricted. UM/UIM protection should never be assumed to be included.

Know The Policy™

Match household members, vehicles, properties, required underlying limits, exclusions, and defense provisions across the policies. Ask what happens if an underlying policy is missing or its limit is too low. An umbrella does not automatically fill that gap.

↑ Back to search & categories

Commercial insurance · Property & construction

What does Builders Risk insurance cover?

Builders Risk generally insures covered physical loss or damage to property during construction. The policy may cover the building taking shape, materials and supplies, and equipment intended to become a permanent part of the project.

Coverage depends on both what property is insured and what causes of loss are covered. Fire, theft, wind, and vandalism may be covered, but flood, earthquake, water damage, testing, and faulty work need a closer look. Contractors’ tools and mobile equipment are not automatically project property.

Let’s say…

A covered fire damages framing and materials at a jobsite. Builders Risk may address eligible repair or replacement costs. If materials were instead stolen from an offsite warehouse, you would need to check the storage provisions and applicable limits before expecting the same result.

What about delay costs?

Lost income, additional interest, or other soft costs from a delay are not automatically included. Any applicable extension may have its own covered-damage trigger, waiting period, limit, and definition of the covered delay.

Know The Policy™

Confirm project valuation, insured interests, storage and transit, deductibles, and exclusions. Read when coverage ends: occupancy, acceptance, completion, or other events may matter before the scheduled expiration date. ISO property forms and proprietary inland marine forms can handle these issues differently. Obtain approval for a material project change before relying on continued coverage.

↑ Back to search & categories

Commercial insurance · Workers compensation

What does workers compensation insurance cover?

Workers compensation generally provides benefits required by applicable law when an employee suffers a covered work-related injury or occupational disease. Benefits commonly include medical care, partial wage replacement or disability benefits, and death benefits for eligible dependents. Rehabilitation or return-to-work benefits may also apply.

It generally operates without requiring an employee to prove the employer was negligent. That does not mean every injury involving an employee qualifies: employment status, the connection to work, exclusions, and jurisdictional rules still matter.

Let’s say…

A warehouse employee suffers a covered back injury while lifting inventory. The claim may involve medical treatment and disability benefits under the applicable state law. The employee does not automatically receive full wages, and benefit percentages, waiting periods, and maximums are not uniform nationwide.

Where does employers liability fit?

In the common two-part policy structure, Part One addresses workers compensation benefits. Part Two, employers liability, addresses certain covered liability claims arising from employee injury. It has its own limits and exclusions and does not replace Part One.

Know The Policy™

Check the information page, covered states, employers liability limits, and endorsements. Requirements for owners, officers, independent contractors, and multistate work vary. Standard NCCI-based forms, state-specific forms, and state-fund arrangements should not be assumed identical. Report an injury promptly using the applicable claim procedure.

↑ Back to search & categories

Commercial insurance · General liability

What does commercial general liability insurance cover?

Commercial general liability (CGL) insurance addresses specified liability exposures involving bodily injury, property damage, and personal and advertising injury. Covered premises, operations, and products or completed work can create different exposures under the same policy.

In the familiar ISO CGL structure, Coverage A addresses bodily injury and property damage liability. Coverage B concerns defined personal and advertising injury offenses. Coverage C provides limited medical payments for eligible accidents without requiring proof of legal liability. Each has its own conditions and exclusions; carrier forms and endorsements can change the result.

Let’s say…

A customer trips over a loose mat in your store and alleges your business caused the injury. The insurer evaluates whether the allegations trigger a defense and whether damages are covered. A lawsuit alone does not establish that every allegation or settlement is insured.

What belongs elsewhere?

CGL is not a substitute for property coverage on your building, workers compensation, commercial auto, or professional liability. Employee injury, autos, pollution, professional services, and damage to your own work or product can involve significant exclusions and exceptions. The details matter.

Know The Policy™

Review insured status, the coverage trigger, exclusions, endorsements, per-occurrence limits, and aggregate limits. Under an occurrence form, the timing of injury or damage matters; claims-made coverage works differently. Report a claim or suit promptly and follow the policy’s consent requirements before agreeing to a settlement.

↑ Back to search & categories

About this collection · Practical insurance education from Professional Insurance Foundation · October 17, 2026.

Professional Insurance Foundation provides insurance education, not an individual coverage opinion or legal advice. Examples are simplified. The issued policy, endorsements, facts of the loss, and applicable law govern. Carrier resources illustrate their products and do not establish terms for other insurers. No insurer affiliation or endorsement is implied.