What Actually Goes Into a Personal Injury Demand Letter

You have finished treating, you have a folder of bills, and the adjuster keeps asking you to "send in whatever you have." Online you found a template letter with blanks for your name, the date of the accident, and a number. It looked manageable, which is why you are here.

A demand letter is not really a letter. It is an evidence package with a cover argument, and most self-prepared demands fail not on the writing but because they assert things the insurer is not obligated to believe and omit the proof that would make refusing expensive.

Quick answer: A personal injury demand package is the document that converts your claim into a number an insurer can evaluate, and it contains six parts: a liability narrative, a complete medical chronology, an itemized billing summary, documented wage loss, any future care opinion, and the demand itself. Insurance Code section 790.03(h) governs how a carrier must handle claims, including attempting a prompt and fair settlement once liability has become reasonably clear. A properly made demand within the policy limits matters because if the insurer unreasonably refuses it and a judgment later exceeds those limits, the carrier can face exposure beyond the policy it sold.

The Six Components, and What Each Has to Prove

Every part of a demand package closes off an argument the adjuster would otherwise make. If a component is missing, that argument stays open and gets priced into the offer.

• Liability narrative. What it must prove: That their insured caused this, and that you did not contribute. What it is proven with: Collision report, photographs, scene diagram, witness statements, any video.
• Medical chronology. What it must prove: That the injuries came from this incident and were treated reasonably. What it is proven with: Every record from every provider, in date order, with imaging findings quoted.
• Billing summary. What it must prove: What the treatment cost, and who is owed. What it is proven with: Itemized bills by provider, plus any health plan or MedPay lien figures.
• Wage loss proof. What it must prove: That you missed work because of the injury and what it cost you. What it is proven with: Employer letter, pay records, tax returns for self-employment, physician work restrictions.
• Future care opinion. What it must prove: That the harm is not finished and what remains will cost money. What it is proven with: A treating physician's written opinion with anticipated treatment and cost.
• The demand. What it must prove: A specific number, a deadline, and what happens if it is ignored. What it is proven with: The reasoning that connects the evidence above to the figure.

The Liability Narrative Is an Argument, Not a Story

Most self-prepared demands open with a chronological account of a bad day. That is not what the adjuster needs.

The narrative should state what the other party did wrong in specific terms, tie it to the physical evidence, and close the door on comparative fault before the adjuster opens it. If the impact was to your left rear quarter panel while you were established in the lane, say so and show the photograph. If a witness told the officer your light was green, quote the statement.

Anticipating the fault argument matters because comparative negligence is the cheapest tool an insurer has. Assigning you thirty percent of the fault reduces every dollar in the package by thirty percent without disputing a single medical record. A demand that ignores the issue invites that reduction.

The Medical Chronology Has to Be Complete, Including the Parts You Dislike

This is the longest section of a real demand and the one most often done badly.

A chronology walks through treatment in date order: the emergency department visit and what it found, the primary care follow-up, the imaging and the exact language of the radiologist's impression, the referrals, the therapy course, the injections, the surgical consultation. It quotes the records rather than summarizing them, because the adjuster has the same records and will check.

Leaving out an unhelpful record is the fastest way to lose credibility on the whole file. If there is a six week gap, address it. If you had prior back complaints, disclose them and argue aggravation rather than pretending they do not exist. What insurers look for in medical records is rarely flattering, and a demand that raises a problem first controls how it is understood.

The Billing Summary, and the Difference Between Billed and Owed

The billing section is a table, not a paragraph: each provider, the dates of service, the itemized amount. Attach the bills.

The complication is that the amount billed is often not the amount anyone received. If your health insurance paid, the provider accepted a contracted rate far below the billed charge, and California law limits recovery of past medical expenses based on what was actually paid and incurred. If you treated on a lien, the full billed amount may still be owed.

Either way, the parties who paid for your care usually have a right to be repaid out of your settlement. Those reimbursement rights, generally called subrogation, need to be identified before you demand a number, because a settlement that looks adequate can leave you with almost nothing after the liens are satisfied.

Wage Loss Has to Be Documented, Not Asserted

Saying you missed six weeks of work is worth nothing. Proving it takes three pieces.

First, a written work restriction covering the period you were out. Without it, the insurer will argue you chose not to work. Second, an employer letter stating your rate of pay, the dates absent, and whether the time was paid. Third, pay records or tax returns supporting the rate.

Self-employment is harder and is frequently abandoned for that reason. It requires prior year returns, profit and loss statements, invoices or contracts declined or delayed, and a coherent explanation of how the income would have been earned. That is difficult work, and it is where a real part of the value in many claims sits unclaimed.

Future Care Is Where Larger Cases Are Won or Lost

If your injury is permanent or will require further treatment, that future cost is a recoverable damage. It is also the component most often omitted from a self-prepared demand.

Future care cannot be asserted by you. It requires a physician's written opinion identifying what treatment is anticipated, over what period, and at what cost. A statement that you will likely need injections two or three times a year changes the evaluation of a case substantially.

Getting that opinion requires asking specifically. Physicians do not write future care opinions unprompted, and a request framed as "please describe the anticipated future treatment and its estimated cost" produces something usable where a vague request does not.

The Demand Itself: A Number, a Deadline, and a Consequence

The closing section states the amount, sets a reasonable response deadline, usually thirty days, and says what happens if it passes.

The number should be defensible from the evidence in the package. An unexplained figure invites an unexplained counter, and the negotiation runs on instinct rather than proof. High demands are normal, but one with no visible relationship to the documented damages tells the adjuster the file was not evaluated carefully, and the first offer will reflect that.

Attach an index. A package of three hundred pages with no organization does not get read; it gets skimmed and undervalued.

The Policy Limits Demand and Why It Creates Real Exposure

There is one kind of demand that changes an insurer's risk rather than just its offer.

When damages clearly exceed the available coverage, a demand for the policy limits puts the carrier to a choice. It can pay the limits and close its exposure, or refuse and take on the risk that a judgment exceeds the policy it sold. An insurer owes its insured a duty to settle within limits where a reasonable carrier would, and Insurance Code section 790.03(h) separately identifies failing to attempt a prompt, fair settlement once liability has become reasonably clear as an unfair claims practice.

The practical result is that a properly made limits demand transfers risk. If the carrier refuses and the verdict comes in above the limits, the excess judgment becomes a problem the insurer may have to answer for, not only the driver.

Time-limited demands under Code of Civil Procedure sections 999 to 999.5

Since January 1, 2023, California has had specific rules for time-limited demands made before a lawsuit or arbitration is filed to settle an auto, homeowner, or commercial premises liability claim within the policy limits (Code of Civil Procedure sections 999 and 999.5). Under section 999.1, the demand must be in writing, labeled as a time-limited demand or reference the statute, and include:

• A deadline to accept of at least 30 days from transmission if sent by email, fax, or certified mail, or at least 33 days if sent by regular mail.
• A clear and unequivocal offer to settle all claims within policy limits, including satisfaction of all liens.
• An offer of a complete release of the insurer's insureds from all present and future liability for the occurrence.
• The date and location of the loss, and the claim number if known.
• A description of all known injuries.
• Reasonable proof supporting the claim, which may include medical records or bills.

Section 999.2 requires that the demand be sent to the address the insurer has designated with the Department of Insurance for these demands, or to the adjuster assigned to the claim if known. Under section 999.3, the insurer may ask for clarification, more information, or an extension without that request counting as a rejection or counteroffer, and if it declines the demand it must explain why in writing before the deadline expires.

The consequence matters. Under section 999.4, in a later lawsuit seeking damages beyond the policy limits, a demand from a represented claimant that does not substantially comply with these rules will not be treated as a reasonable offer to settle within limits. A careless limits demand can therefore lose the leverage it was meant to create.

The insurer has to tell you what the limits are

You cannot demand the limits if you do not know them, and carriers have not always volunteered the figure. In Boicourt v. Amex Assurance Co. (2000) 78 Cal.App.4th 1390, an insurer refused to disclose its policy limits to an injured claimant, so a limits demand was never made and an excess judgment followed. The court held the refusal could expose the carrier to liability to its own insured even without a formal settlement demand, because the insurer's own conduct prevented the demand from being made.

The practical lesson is to request the limits in writing, early, and to keep the response or the refusal.

When You Genuinely Do Not Need Any of This

All of the above is for a case with real injuries and real exposure. Most claims are not.

If your car was damaged and you were not hurt, there is no demand package. You send photographs, a repair estimate or two, and a rental receipt, and the property damage adjuster resolves it. The same is largely true of a claim involving one urgent care visit and a full recovery in two weeks. A ten page evidence package for a two thousand dollar claim wastes weeks and impresses no one.

The line worth watching is not the size of the number, it is whether the facts are contested. Once there is a fault dispute, a treatment gap, a prior injury, a surgical recommendation, or damages approaching the policy limits, the package has to be built properly, because each of those facts becomes an argument.

Frequently Asked Questions

How long should a demand letter be?

As long as the evidence requires and no longer. A straightforward soft tissue claim may need four to six pages plus attached records. A surgical case with disputed liability and a wage loss claim can run considerably longer, with an index.

Should I send a demand before I finish treating?

No. A demand fixes the evaluation of your claim at the moment it is sent, and you cannot revise the number upward after the insurer has evaluated it. Wait until your physician says you have reached maximum medical improvement.

What number should I demand?

One that the documented economic damages and the evidence of your non-economic harm can actually support, with room to negotiate. Consider what your injury case is realistically worth before choosing a figure, because an arbitrary number produces an arbitrary counter.

How long does the insurer have to respond?

It depends on the type of demand. For a pre-suit, time-limited demand to settle within policy limits on an auto, homeowner, or commercial premises claim, Code of Civil Procedure section 999.1 requires giving the insurer at least 30 days from transmission by email, fax, or certified mail, or at least 33 days by regular mail. For other demands there is no single statutory response period, though California regulations require carriers to respond to communications and to act on claims within reasonable timeframes. Following up in writing when a deadline passes creates a useful record.

Does the insurer have to tell me the policy limits?

Request them in writing early. A refusal to disclose is significant, and an insurer whose refusal prevents a limits demand from being made can face consequences for that conduct, as Boicourt illustrates.

Can I send a demand myself and hire a lawyer later?

You can, but understand what carries forward. Your demand number and any statements you made about liability and symptoms stay in the file permanently, and an attorney taking over afterward has to negotiate against your own earlier position.

Preparing a Demand on a Case That Matters? Geller Legal Can Help.

Demand packages fail quietly. A missing work restriction turns a documented wage loss into an argument. An unaddressed treatment gap becomes the adjuster's entire response. A future care opinion nobody requested leaves the largest element of the claim unclaimed. None of these produce a denial. They produce a low offer that looks reasonable because the file never showed otherwise.

Geller Legal | Personal Injury Attorneys handles these cases with the detail they demand. We build the records, the wage documentation, and the future care opinions before a number ever goes out, and we make policy limits demands properly so that a refusal carries consequences for the carrier.

We serve injured clients throughout California, with offices in Walnut Creek, Oakland, and Los Angeles. If you are preparing a demand on a serious personal injury claim and are unsure whether the package supports the number, it costs nothing to have it reviewed before you send it.

Contact Geller Legal for a free, confidential consultation with Attorney Michael Geller.