Prior Approval vs. File-and-Use
Also known as: Prior Approval States, File-and-Use States, Rate Regulation Regimes
Prior approval and file-and-use describe the two dominant ways states regulate how quickly an insurer can put new rates into effect. In a prior-approval state, the carrier must submit its rate filing to the department of insurance and wait for affirmative approval — or the expiration of a review period — before any policyholder can be charged the new rate. In a file-and-use state, the insurer files the supporting actuarial material and may begin using the rates right away, with the regulator retaining authority to review and, if necessary, order corrections afterward. Related variants include "use-and-file" (use first, file shortly after) and "flex-rating" bands that allow small changes without approval.
For a small-business buyer, this regulatory choice quietly shapes how fast prices move and how much competition you see. File-and-use states let carriers react quickly to loss trends, which can mean faster relief when losses improve but also quicker increases when they worsen; prior-approval states tend to lag, sometimes suppressing rates below what actuaries consider adequate, which can push carriers to tighten underwriting or exit lines. When admitted-market rates are held artificially low, hard-to-place risks often migrate to the excess and surplus market, where rates are not regulated at all.
The practical nuance is that the label alone does not tell you whether your premium will be higher or lower — it tells you the process and timing, not the outcome. Every state also enforces the statutory standard that rates be "not excessive, not inadequate, and not unfairly discriminatory," so a file-and-use regime is not deregulation. Buyers who see sudden mid-year rate movements in one state but sticky pricing in another are usually seeing this regime difference in action, and understanding it helps set realistic expectations at renewal rather than assuming a carrier is targeting them.
Real-world scenario
Consider Riverside Bakery Co., a family wholesale bakery that carries a commercial property policy with a $1,200,000 building limit, $350,000 of business personal property, a $5,000 deductible, a $250,000 business-income sublimit, and a $500,000 liability line. Its expiring annual premium is $18,400. Heading into renewal, Riverside's admitted carrier files a statewide 9.5% rate increase driven by rising loss costs — that would add $1,748, pushing the renewal to $20,148.
Here is where the two regimes diverge. If Riverside's state uses file-and-use, the carrier files the change with the department of insurance, waits out a short window, and the full $20,148 hits Riverside's renewal automatically. If the state uses prior approval, the regulator must sign off first. Here the DOI examined the carrier's supporting loss cost data, paid a $2,500 filing review, and approved only a 6% increase — $1,104 — capping Riverside's renewal at $19,504. That regulatory haircut saved the bakery $644 in year one.
The regime does not change how a claim pays. When an oven fire caused $75,000 in structural damage, Riverside collected $70,000 after its $5,000 deductible, plus $12,000 in adjusting and legal expense the insurer absorbed. What prior approval vs. file-and-use changed was the price of the promise: whether that $19,504 or $20,148 was vetted by a regulator before Riverside ever paid it. See rate filing and rate adequacy for how carriers justify those numbers.
How it affects your premium
Prior approval vs. file-and-use is a regulatory rate regime, not a coverage you buy — but the regime your carrier operates under still shapes what you pay and how fast prices move. Key drivers:
- State regulatory regime. Prior-approval states force a regulator to vet increases before they take effect, often trimming or delaying them; file-and-use and use-and-file states let approved rate filings reach your renewal faster.
- Carrier loss experience. Whether the DOI approves a hike hinges on the insurer's loss cost and rate adequacy support; weak data gets cut in prior-approval states.
- Admitted vs. surplus lines. Admitted carriers are bound by the state's rate regime, while excess and surplus markets are largely exempt from prior approval and can price freely.
- Filing lag and market timing. Prior-approval backlogs can freeze rates for months, so your renewal price may reflect an older, sometimes lower, approved level.
- Bureau vs. independent filings. Carriers that adopt a rate service organization's loss costs move faster than those making standalone form filings.
- Line of business volatility. Fast-moving lines like commercial auto and property see the biggest swings when a regime speeds up or slows down rate change.
Common misconceptions
Myth: Prior approval means my premium can never go up without my consent.
Reality:
Prior approval means the state regulator — not you, the policyholder — must approve a carrier's rate change before it takes effect. Your individual manual premium can still rise at renewal once the filing is approved.
Myth: File-and-use states are unregulated, so insurers can charge whatever they want.
Reality:
File-and-use still requires carriers to file rates with the department of insurance, which can later find them excessive or inadequate and order changes; the review simply happens after use rather than before.
Myth: The rate regime affects how much my claim will pay.
Reality:
Prior approval vs. file-and-use only governs how rates are approved. Your payout is driven by your policy limits, deductible, and coverage terms — not by the filing regime.
Frequently asked questions
What is the difference between prior approval and file-and-use?
Under prior approval, a carrier must get the state regulator's sign-off before a new rate takes effect; under file-and-use, the carrier files the rate and may use it after a short waiting period, subject to later review. Both are governed by the department of insurance.
Does the rate regime change how fast my premium goes up?
It can. Prior-approval states often delay or trim increases because a regulator vets the rate filing first, while file-and-use states let approved changes reach renewals faster.
Do surplus lines carriers follow prior approval or file-and-use?
Generally neither — excess and surplus carriers are largely exempt from state rate regulation and price freely, unlike admitted carriers.
Can a regulator lower my carrier's requested rate increase?
In prior-approval states, yes — the regulator can reject or reduce a filing if the carrier's loss cost support does not justify it. In file-and-use states the rate is used first and challenged later.
Which regime is better for my business?
Prior approval can suppress or delay increases in the short term, but slow filings may also delay decreases; file-and-use gives carriers pricing flexibility that can mean quicker relief when loss trends improve. The right fit depends on your line and how competitive your state's market is.
Sources cited
Need prior approval vs. file-and-use coverage?
Compare quotes from 10+ commercial insurance carriers in 5 minutes. Free, no contact info required.
Get My Quotes →