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Filed Rate

A premium rate submitted to and approved by (or acknowledged by) the state insurance department, constituting the legally required rate for that risk class.

businessPublished 2026/06/07Last verified 2026/06/07

FAQs

What happens if a carrier charges a rate different from its filed rate?
Charging rates inconsistent with filed rates — either higher or lower — is a regulatory violation in all states. Consequences can include fines, required refunds to overcharged policyholders, market conduct examination, and in severe cases, license suspension. State departments periodically conduct rate and form compliance audits, comparing premiums charged on sample policies to the filed rates that should have applied. Carriers are required to have internal compliance controls to prevent rate deviations.
Can a carrier give a discount not reflected in its filed rates?
No. Any discount, credit, or premium reduction must be authorized in the carrier's filed rating plan. Informal discounts offered by underwriters or agents outside the filed structure are regulatory violations, even if the carrier and insured agree on the lower premium. Scheduled rating plans that include credits and debits within specified ranges are the mechanism for legitimate underwriter adjustments — but those ranges are themselves filed.
How long does rate filing approval take?
Timing varies significantly by state, line, and filing complexity. Commercial lines file-and-use filings in permissive states can be effective immediately. Prior-approval states vary from 30-day deemed-approved periods to open-ended review periods that can extend to six months or longer for complex personal lines filings. Actuarial support documentation quality and completeness affect review timelines — incomplete filings generate department objections that restart the clock.

Related Terms

  • Rate Adequacy

    The degree to which current charged rates are sufficient to cover expected losses, expenses, and profit margin over the policy period.

  • Bureau Rate

    A premium rate derived directly from advisory loss costs published by a rating bureau such as ISO or NCCI, without independent carrier modification.

  • Scheduled Rating

    Manual credits or debits applied by an underwriter to a base premium to reflect risk characteristics not captured by the standard rating algorithm.

  • Premium Leakage

    Lost premium from mis-rating, under-disclosed exposure, system errors, or algorithm defects causing charged premiums to fall below actuarially indicated levels.

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A filed rate is an insurance premium rate — expressed as an amount per unit of exposure, a rating factor, or a complete rating algorithm — that a carrier has submitted to the applicable state insurance department in accordance with the state's rate regulatory statute, and which has either been approved by the department or has become effective through a file-and-use or use-and-file mechanism. Filed rates are legally binding: carriers must charge filed rates for covered risks, and deviating from filed rates — whether by charging more or less — constitutes a regulatory violation subject to examination, fine, and corrective action.

How It Works / Why It Matters

Rate filing requirements exist because insurance is a regulated product: states have an interest in ensuring that rates are not excessive (protecting consumers from overcharging), inadequate (protecting solvency and market stability), or unfairly discriminatory (treating similarly situated risks differently based on impermissible factors). The rate filing process is how states exercise this oversight.

Filing mechanisms vary by state and line of business:

Prior approval: The carrier must submit rates and supporting actuarial documentation to the state department, and the rates may not be used until the department has reviewed and approved them. Approval timelines vary from 30 to 180+ days depending on the state. Prior approval states include New York, California, Florida (for certain lines), and others. This mechanism maximizes regulatory control but slows a carrier's ability to respond to changing market conditions.

File and use: Rates are filed with the department simultaneously with their implementation. The carrier can begin using the rates immediately while the department reviews them, and the department can require withdrawal or modification if it finds problems. Most commercial lines states use file-and-use for commercial lines and some personal lines.

Use and file: The carrier implements rates and files them with the department within a specified window (typically 15-30 days) after implementation. This gives carriers maximum flexibility but exposes them to retroactive disallowance risk.

Open competition / use without filing: A handful of states allow certain commercial lines to be written without formal rate filings, relying on market competition to regulate pricing. Commercial property and casualty lines in some states have moved to this model.

In Practice

Filed rates determine the legal floor and ceiling for premiums charged on in-force policies. When an underwriter applies scheduled rating credits or debits, those deviations are subject to the limits specified in the filed rating manual — typically maximum credits of 25-40% and maximum debits of similar magnitude, depending on the line and state. Scheduled rating adjustments outside filed limits create compliance violations even if the underwriter believes the risk justifies them.

Rate adequacy corrections require new filings. A carrier that determines its rates are inadequate must file a rate increase and receive approval (or allow the filing to take effect under file-and-use) before charging higher premiums. This regulatory lag is a significant source of market disruption in lines where loss trends deteriorate rapidly — carriers cannot immediately correct pricing even when actuarial data demands it.

Agents need to understand filed rate obligations to avoid E&O exposure. If an agent quotes a premium that differs from the carrier's filed rate — because the agent applied a discount not authorized in the filed rating plan, or omitted a required surcharge — the carrier may re-rate at bind, creating a premium discrepancy that the client did not expect.

Technology vendors serving the insurance market must build their rating engines around current filed rate pages. Stale rate files in a comparative rater or agency management system produce systematic premium leakage when carriers have filed rate increases that the platform has not yet implemented.

Related Concepts

Bureau rates are themselves filed rates — submitted by the rating bureau on behalf of member carriers, with each carrier separately adopting the bureau filing by reference. Independent filers submit their own rate pages developed from their own actuarial data.