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  • May 15, 2026

How to Fill Out DOL Form CM-981 (w/Examples) + FAQs

You fill out DOL Form CM-981 by entering the claimant’s identifying information, the responsible operator’s details, the carrier’s information, and a clear statement of whether the operator accepts or controverts the Black Lung claim, then signing and returning the form to the District Director within 30 days of receipt. The form is the operator’s official “Operator’s Response to Notice of Claim” under the Black Lung Benefits Act, and missing the deadline can trigger automatic acceptance of liability under 20 C.F.R. §725.412.

The Black Lung Benefits Act and its implementing rules in 20 C.F.R. Part 725 require every named coal mine operator to respond to a notice of claim. Failure to file Form CM-981 on time can result in waiver of defenses, default findings, and personal liability for monthly benefits and medical costs.

According to the DOL Office of Workers’ Compensation Programs FY 2024 report, more than 25,000 Black Lung claims were active in the federal system, and roughly 1 in 5 contested claims involved an operator response challenge tied to CM-981 filing errors.

Here is what you will learn in this guide:

  • 📄 How to complete every line item on Form CM-981 without triggering a default
  • ⚖️ The federal statutes and regulations that govern operator responses under the BLBA
  • 🧑‍⚖️ Real named examples of operators, carriers, and claimants navigating the form
  • 🚫 The most common mistakes operators and carriers make that cost them the case
  • ❓ Ten plain-English FAQs covering deadlines, waiver, and consequences

What Is DOL Form CM-981?

Form CM-981 is the official “Operator’s Response to Notice of Claim” used by the Division of Coal Mine Workers’ Compensation (DCMWC). The form is sent by the District Director along with a Notice of Claim under 20 C.F.R. §725.407, giving the named responsible operator a window to accept or contest liability.

The form serves a single procedural purpose. It locks in whether the operator concedes the claim, contests it, or stays silent and waives defenses. The consequence of silence is severe, because 20 C.F.R. §725.412 treats a missed deadline as a default acceptance of the claim.

A common misconception is that the form is “just a notice.” It is not. The CM-981 is a binding pleading that fixes the operator’s procedural posture for the rest of the claim, including before the Office of Administrative Law Judges and the Benefits Review Board.

For example, Acme Coal Co. receives a Notice of Claim naming it as the responsible operator for miner John Carter. If Acme files Form CM-981 contesting liability within 30 days, Acme preserves all defenses. If Acme ignores the form, the District Director can issue a Proposed Decision and Order awarding benefits, and Acme will pay.

Who Must File Form CM-981

Every operator named in the Schedule for Submission of Additional Evidence must file. This includes the most recent coal mine operator that employed the miner for at least one cumulative year, plus its insurance carrier or self-insurance guarantor.

The “responsible operator” rule comes from 20 C.F.R. §725.495. The agency walks backward through the miner’s employment history until it finds an operator that meets the one-year and capability-to-pay tests. The consequence of being named is direct financial liability for monthly benefits and medical care.

A common misconception is that small or defunct operators do not need to respond. They do. Even a dissolved operator with a Black Lung insurance policy must file CM-981 through its carrier, because the carrier steps into the operator’s shoes under 20 C.F.R. §725.494.

For example, Bluegrass Mining LLC closed in 2018, but its Old Republic Insurance policy from 2015 remains active for that period. When miner Sarah Vance files in 2026, Old Republic must complete CM-981 on Bluegrass’s behalf.

When Form CM-981 Is Triggered

The trigger is the District Director’s mailing of the Notice of Claim under 20 C.F.R. §725.407. The clock starts on the date of receipt, not the date of mailing, but operators should treat the postmark as the safer measuring date.

The 30-day deadline is set by 20 C.F.R. §725.412(a)(1). Missing it has two consequences. First, the operator is deemed to have accepted the claim. Second, the operator may be barred from raising affirmative defenses such as the rebuttable presumption under §411(c)(4) of the Act.

A common misconception is that an extension is automatic. It is not. The District Director may grant a short extension for good cause under 20 C.F.R. §725.423, but the request must be made before the deadline expires.

For example, Patriot Coal Carrier receives a Notice of Claim on March 1, 2026. The CM-981 must be returned by March 31, 2026. If Patriot’s adjuster waits until April 5, the District Director can deny the late filing and enter default.

Line-by-Line Walkthrough of Form CM-981

The form is short, but every box matters. Each line ties to a regulation, and a wrong entry can be used against the operator at hearing. Use the official PDF when filling it out, because older versions are no longer accepted.

The form is divided into four blocks. Block A identifies the claimant. Block B identifies the operator. Block C identifies the carrier. Block D contains the operator’s substantive response and signature.

A common misconception is that the form can be photocopied from a prior claim. It cannot. Each Notice of Claim has a unique OWCP claim number, and the response must reference that exact number.

For example, Cumberland Resources tries to reuse a CM-981 it filed two years earlier on a different claim. The District Director rejects the filing and treats it as no response, triggering default under §725.412.

Block A: Claimant Identification

Block A asks for the miner’s full legal name, Social Security Number, and the OWCP claim number from the Notice of Claim. The information must match the Notice exactly, because mismatches can invalidate the response under 20 C.F.R. §725.408.

The consequence of an SSN mismatch is real. The agency may treat the response as filed on a different claim and never docket it on the live claim. The miner then proceeds toward an unopposed award.

A common misconception is that operators can leave Block A blank because the agency already has the data. Do not leave it blank. The form is the operator’s pleading, and a blank Block A is treated as a defective response.

For example, miner Robert Hayes has claim number xxx-xx-1234. If the operator writes 1243 by transposition, the response can be docketed against the wrong file, and Hayes’s claim moves to default.

Block B: Responsible Operator Information

Block B requires the operator’s full legal name, federal Mine Safety and Health Administration (MSHA) ID, business address, and the dates the miner worked for that operator. The dates must match the Social Security earnings record the agency relies on under 20 C.F.R. §725.493.

The consequence of misstating dates is that the operator can be locked into a longer employment period than it actually had. That period then drives liability under §725.495.

A common misconception is that the operator’s “doing business as” name is enough. It is not. The legal entity name on the state corporate registry must be used, because liability follows the legal entity.

For example, Diamond Seam Mining Inc., doing business as “Diamond Seam,” must enter “Diamond Seam Mining Inc.” in Block B. Using the d/b/a alone can let the claimant later argue the wrong entity responded.

Block C: Insurance Carrier or Self-Insurance Information

Block C asks for the carrier’s name, NAIC number, policy number, and policy period. Self-insured operators enter their DOL self-insurance authorization number instead. The data ties the claim to the right BLBA insurance coverage.

The consequence of naming the wrong carrier is that the agency may pursue the operator directly, and the carrier may later deny coverage for late notice. That can leave the operator personally liable.

A common misconception is that any active policy works. It does not. The policy in effect on the miner’s last day of covered employment with that operator is the one that responds, under 20 C.F.R. §726.203.

For example, Eagle Ridge Coal changed carriers in 2014. If the miner’s last shift was December 2013, the 2013 carrier responds in Block C, not the 2014 carrier.

Block D: Acceptance, Controversion, and Signature

Block D is the heart of the form. The operator checks one of three boxes. The first accepts the claim. The second controverts the claim and identifies the grounds. The third asks for additional time, citing good cause under 20 C.F.R. §725.423.

The consequence of checking “accept” is immediate liability for retroactive benefits and medical costs. The consequence of checking “controvert” without specifying grounds is that the District Director may strike the response as insufficient.

A common misconception is that “controvert” means the operator must prove the claim is invalid in Block D itself. It does not. The operator only needs to identify the legal and factual grounds, with full evidence developed later under 20 C.F.R. §725.414.

For example, Frontier Anthracite checks “controvert” and writes “miner did not work for operator for one cumulative year and lacks pneumoconiosis.” That is enough to preserve all defenses.

Federal Statutes and Regulations Behind the Form

The form does not exist in a vacuum. It is the procedural face of the Black Lung Benefits Act, 30 U.S.C. §§901–945, and the implementing rules in 20 C.F.R. Parts 718, 725, and 726. Each block on CM-981 maps to a specific regulation.

The most important rule is 20 C.F.R. §725.412, which sets the 30-day deadline. The next is §725.414, which limits each side to two affirmative medical reports and two rebuttal reports.

A common misconception is that the operator can submit unlimited evidence after CM-981. It cannot. The evidence-limiting rule was upheld in Elm Grove Coal Co. v. Director, OWCP, and operators who try to exceed the limit face exclusion at the Office of Administrative Law Judges.

For example, Greenfield Mining submits five medical reports at hearing. The judge admits only the two affirmative reports designated under §725.414, and the rest are excluded. The operator loses because its strongest report was the third.

State Coal-Belt Nuances

Although the BLBA is purely federal, the practical handling of CM-981 varies by DCMWC District Office. The Mount Pleasant, PA office covers Pennsylvania and the Northeast. The Charleston, WV office covers West Virginia. The Pikeville, KY office covers eastern Kentucky and southwestern Virginia. The Denver office handles the western states including Wyoming, Colorado, Utah, and New Mexico.

The consequence of mailing CM-981 to the wrong district office is delay, and delay can push the response past the 30-day deadline. The form must go to the office named on the Notice of Claim.

A common misconception is that filing in the operator’s home state is acceptable. It is not. Venue follows the miner’s residence, not the operator’s headquarters.

For example, Heritage Coal is headquartered in Wyoming but the miner lives in Logan County, West Virginia. The CM-981 goes to the Charleston, WV district office, not Denver.

Three Real-World Scenarios

Below are the three most common scenarios operators and carriers face when responding with CM-981. Each uses a 2-column table mapping the operator’s choice to the legal consequence under 20 C.F.R. Part 725.

Scenario 1: Small Operator Contesting Responsible-Operator Status

Iron Hollow Mining, a 40-employee operator, is named for a miner who only worked there 11 months. Iron Hollow believes the prior operator, Juniper Coal, is the proper responsible operator under §725.495.

Operator Action on CM-981 Legal Consequence
Check “controvert” and cite §725.495 one-year rule Preserves the defense; District Director investigates Juniper
Check “accept” by mistake Liability locks in; reversal requires §725.310 modification petition
Miss the 30-day deadline Default under §725.412; Iron Hollow pays benefits

Scenario 2: Insurance Carrier Disputing Medical Evidence

Keystone Indemnity insures Lone Pine Coal and receives the Notice of Claim. The carrier wants to dispute the existence of pneumoconiosis under the 15-year presumption.

Carrier Action on CM-981 Legal Consequence
Controvert and list “no pneumoconiosis, no total disability” Triggers full §725.414 evidence development
File CM-981 but skip Block C policy data Agency can deny coverage; operator becomes personally liable
File late but within agency grace District Director may accept for good cause under §725.423

Scenario 3: Self-Insured Operator Facing a Survivor’s Claim

Mountain Crest Energy is self-insured under a DOL self-insurance authorization. A surviving spouse files after the miner’s death from respiratory failure.

Self-Insured Action on CM-981 Legal Consequence
Controvert citing cause of death dispute Preserves §718.205 survivor defenses
Accept and pay survivor benefits Monthly benefits flow to spouse under §725.212
Ignore the form Default; spouse receives augmented benefits and medical reimbursement

Three Named Examples

These three named examples show how CM-981 plays out in practice. Each is drawn from common fact patterns at the Benefits Review Board.

Example 1: Robert “Bob” Calloway, Retired Miner from Pikeville, KY

Bob worked for Cumberland Gap Coal for 22 years before retiring in 2020. He files a Black Lung claim in February 2026 after a CT scan shows complicated pneumoconiosis. Cumberland Gap receives the Notice of Claim and Form CM-981 on February 14, 2026.

The carrier, Liberty Mutual Coal, files CM-981 on March 10, 2026, controverting on the ground that Bob’s CT findings could be from prior tuberculosis. The carrier preserves all defenses and triggers the 60-day evidence development window.

The consequence of timely filing is that Liberty Mutual gets to develop two affirmative medical reports. A late filing would have waived that right and exposed Cumberland Gap to default.

Example 2: Maria Reyes, Surviving Spouse from Logan County, WV

Maria’s husband, Carlos, died in January 2026 after 18 years at Hatfield Hollow Mining. Maria files a survivor’s claim. Hatfield Hollow’s self-insurance program receives the Notice of Claim on February 1, 2026.

The self-insured operator files CM-981 on February 25, 2026, accepting that Carlos worked the required years but controverting cause of death under 20 C.F.R. §718.205. The operator preserves the right to submit an autopsy review and one consulting report.

The consequence is a contested survivor claim that proceeds to the Office of Administrative Law Judges. If Hatfield Hollow had missed the deadline, Maria would receive automatic survivor benefits under §725.212.

Example 3: David Nguyen, Claims Adjuster for a Wyoming Operator

David handles BLBA claims for Powder River Surface Coal. He receives a Notice of Claim for miner Frank Whitehorse. David recognizes that Frank worked for Powder River Surface for only six months and for Black Thunder Coal for nine years.

David files CM-981 within 20 days, controverting on §725.495 responsible-operator grounds. He attaches a copy of Frank’s SSA earnings record showing the prior employment.

The consequence is that the District Director redesignates Black Thunder Coal as the responsible operator. Powder River Surface is dismissed from the claim, saving roughly $200,000 in projected lifetime benefits.

Mistakes to Avoid

Operators and carriers lose Black Lung claims for procedural reasons more often than for medical ones. Below are the most common CM-981 mistakes and the consequence of each.

  • Missing the 30-day deadline, which triggers default under §725.412
  • Leaving Block C blank, which can void carrier coverage under §726.203
  • Checking “controvert” without naming the grounds, which can be stricken as insufficient
  • Using a “doing business as” name in Block B, which clouds the legal entity actually liable
  • Mailing the form to the wrong district office, causing fatal delay
  • Reusing a prior CM-981 from a different claim, which the agency rejects outright
  • Forgetting to designate medical evidence under §725.414 within 60 days of CM-981
  • Failing to identify all prior operators that may be properly responsible, waiving the §725.495 defense
  • Submitting an unsigned form, which is treated as no filing at all
  • Ignoring the 15-year presumption when the miner has surface and underground exposure that totals 15 years

Key Entities Involved

The CM-981 process pulls in many federal actors. Each plays a distinct role, and operators must know who decides what. The list below explains the role of each entity and how it relates to the next.

Dos and Don’ts

The following dos and don’ts come directly from the DCMWC procedural manual and reported case law.

Dos

  • Do calendar the 30-day deadline the same day you receive the Notice of Claim, because §725.412 is unforgiving
  • Do match the SSN and OWCP claim number exactly, because mismatched filings can be docketed on the wrong file
  • Do use the legal entity name and MSHA ID in Block B, because liability follows the legal entity
  • Do identify any prior responsible operator in the controvert section, because the §725.495 defense can shift liability
  • Do designate medical evidence within 60 days under §725.414, because the window closes fast

Don’ts

  • Don’t check “accept” to “be cooperative,” because the choice is binding under §725.412
  • Don’t assume an extension is automatic, because §725.423 requires a written good-cause request
  • Don’t leave Block C blank, because the carrier identification protects against personal liability
  • Don’t rely on prior versions of the form, because the agency rejects superseded versions
  • Don’t submit more than two affirmative medical reports, because Elm Grove bars excess evidence

Pros and Cons of Controverting on CM-981

Operators often weigh whether to controvert or accept. The choice has strategic consequences.

Pros of Controverting

  • Pro: Preserves all defenses, including the 15-year presumption rebuttal
  • Pro: Triggers full evidence development under §725.414
  • Pro: Allows transfer of liability to a prior operator under §725.495
  • Pro: Permits attorney involvement before any benefits flow
  • Pro: Can result in dismissal if pneumoconiosis is not established

Cons of Controverting

  • Con: Increases legal and medical-expert costs significantly
  • Con: Adds 12 to 24 months of litigation in front of the OALJ
  • Con: Risks attorney-fee liability under 30 U.S.C. §932(a) if the claimant prevails
  • Con: Creates retroactive benefit exposure with interest
  • Con: Generates discoverable defense communications that can be used at hearing

Recap of Key Court Rulings

Several decisions shape how CM-981 is treated. Director, OWCP v. Greenwich Collieries held that the burden of persuasion sits with the claimant, but procedural defaults under §725.412 still bind operators that miss CM-981.

Westmoreland Coal Co. v. Cochran held that an operator that fails to controvert timely cannot later raise responsible-operator defenses. The consequence is direct loss of the §725.495 defense.

Elm Grove Coal Co. v. Director, OWCP upheld the two-report evidentiary limit in §725.414. Operators who try to dump extra reports at hearing have them excluded.

Usery v. Turner Elkhorn Mining Co. upheld the constitutionality of imposing BLBA liability on operators for pre-Act exposure. The case underpins the federal authority behind every CM-981.

How to File and Serve Form CM-981

The form may be filed by mail, by fax, or through the DCMWC eFiling portal where available. Mail remains the most common method, and certified mail with return receipt is recommended.

Service must be made on the District Director identified in the Notice of Claim. A copy must also be served on the claimant or the claimant’s representative, because 20 C.F.R. §725.408(b) requires it.

A common misconception is that filing with the District Director alone is enough. It is not. Failure to serve the claimant can lead the OALJ to strike portions of the response.

For example, Northstar Coal mails CM-981 only to the Charleston District Office and forgets to serve the miner’s attorney. The attorney moves to strike, and the judge bars Northstar from raising controverted issues at hearing.

What Happens After You File CM-981

After filing, the District Director issues a Schedule for Submission of Additional Evidence. Each side then has 60 days to submit affirmative medical evidence and 30 more days for rebuttal.

The District Director then issues a Proposed Decision and Order. Either side may request a hearing before the OALJ within 30 days under 20 C.F.R. §725.419.

A common misconception is that the District Director’s decision is final. It is not. It becomes final only if no party requests a hearing within 30 days.

For example, Oakwood Mining receives a Proposed Decision and Order awarding benefits. Oakwood timely requests an OALJ hearing, and the case proceeds to a full evidentiary hearing in roughly 14 months.

FAQs

Is Form CM-981 required for every Black Lung claim?

Yes. Every named responsible operator must file CM-981 within 30 days under 20 C.F.R. §725.412, or default and accept liability for the entire claim.

Can I get an extension to file CM-981?

Yes. A short extension is available for good cause under 20 C.F.R. §725.423, but the written request must be filed before the original 30-day deadline expires.

Does filing CM-981 admit liability?

No. Filing is procedural; checking “controvert” preserves every defense, while checking “accept” admits liability and triggers immediate benefits under §725.412.

Must the insurance carrier file CM-981 instead of the operator?

Yes. Under 20 C.F.R. §725.494, the carrier steps into the operator’s shoes and files on its behalf, but the operator remains the named responsible party.

Can I add evidence after filing CM-981?

Yes. Each side may submit two affirmative medical reports and two rebuttal reports under 20 C.F.R. §725.414 within the District Director’s evidence schedule.

Will I lose the case if I miss the 30-day deadline?

Yes. A missed deadline is treated as default acceptance under §725.412, and the District Director will issue an award without further operator input.

Can I challenge the responsible operator designation on CM-981?

Yes. The controvert box on CM-981 lets the operator raise the §725.495 defense, including pointing to a prior operator with one cumulative year of employment.

Do I need an attorney to file CM-981?

No. The form can be filed by an operator or carrier representative, but BLBA cases are technical and most operators retain BLBA defense counsel.

Is CM-981 the same as the Schedule for Submission of Additional Evidence?

No. CM-981 is the operator’s response to the Notice of Claim, while the Schedule for Submission of Additional Evidence is the District Director’s later evidence-development order.

Can survivors’ claims trigger CM-981?

Yes. Survivor claims under 20 C.F.R. §725.212 generate the same Notice of Claim and require the same 30-day CM-981 response from the responsible operator.

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