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Massachusetts Workers' Compensation Affidavit

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Workers’ Compensation Insurance Affidavit: Builders/Contractors/Electricians/Plumbers

The Commonwealth of Massachusetts

Department of Industrial Accidents

Office of Investigations

1 Congress Street, Suite 100

Boston, MA 02114-2017

www.mass.gov/dia

Applicant Information Please Print Legibly





*Any applicant that checks box #1 must also fill out the section below showing their workers’ compensation policy information. † Homeowners who submit this affidavit indicating they are doing all work and then hire outside contractors must submit a new affidavit indicating such. ‡Contractors that check this box must attached an additional sheet showing the name of the sub-contractors and state whether or not those entities have employees. If the sub-contractors have employees, they must provide their workers’ comp. policy number.

Are you an employer? Check the appropriate box:

Type of project (required):

*Any applicant that checks box #1 must also fill out the section below showing their workers’ compensation policy information. † Homeowners who submit this affidavit indicating they are doing all work and then hire outside contractors must submit a new affidavit indicating such. ‡Contractors that check this box must attached an additional sheet showing the name of the sub-contractors and state whether or not those entities have employees. If the sub-contractors have employees, they must provide their workers’ comp. policy number.

I am an employer that is providing workers’ compensation insurance for my employees. Below is the policy and job site information.






Attach a copy of the workers’ compensation policy declaration page (showing the policy number and expiration date).

Failure to secure coverage as required under Section 25A of MGL c. 152 can lead to the imposition of criminal penalties of a fine up to $1,500.00 and/or one-year imprisonment, as well as civil penalties in the form of a STOP WORK ORDER and a fine of up to $250.00 a day against the violator. Be advised that a copy of this statement may be forwarded to the Office of Investigations of the DIA for insurance coverage verification.

I do hereby certify under the pains and penalties of perjury that the information provided above is true and correct.




Official use only. Do not write in this area, to be completed by city or town official.



Issuing Authority (circle one):

1. Board of Health    2. Building Department    3. City/Town Clerk    4. Electrical Inspector    5. Plumbing Inspector

6. Other



Information and Instructions

Massachusetts General Laws chapter 152 requires all employers to provide workers’ compensation for their employees. Pursuant to this statute, an employee is defined as “...every person in the service of another under any contract of hire, express or implied, oral or written.”

An employer is defined as “an individual, partnership, association, corporation or other legal entity, or any two or more of the foregoing engaged in a joint enterprise, and including the legal representatives of a deceased employer, or the receiver or trustee of an individual, partnership, association or other legal entity, employing employees. However the owner of a dwelling house having not more than three apartments and who resides therein, or the occupant of the dwelling house of another who employs persons to do maintenance, construction or repair work on such dwelling house or on the grounds or building appurtenant thereto shall not because of such employment be deemed to be an employer.”

MGL chapter 152, §25C(6) also states that “every state or local licensing agency shall withhold the issuance or renewal of a license or permit to operate a business or to construct buildings in the commonwealth for any applicant who has not produced acceptable evidence of compliance with the insurance coverage required.” Additionally, MGL chapter 152, §25C(7) states “Neither the commonwealth nor any of its political subdivisions shall enter into any contract for the performance of public work until acceptable evidence of compliance with the insurance requirements of this chapter have been presented to the contracting authority.”

Applicants

Please fill out the workers’ compensation affidavit completely, by checking the boxes that apply to your situation and, if necessary, supply sub-contractor(s) name(s), address(es) and phone number(s) along with their certificate(s) of insurance. Limited Liability Companies (LLC) or Limited Liability Partnerships (LLP) with no employees other than the members or partners, are not required to carry workers’ compensation insurance. If an LLC or LLP does have employees, a policy is required. Be advised that this affidavit may be submitted to the Department of Industrial Accidents for confirmation of insurance coverage. Also be sure to sign and date the affidavit. The affidavit should be returned to the city or town that the application for the permit or license is being requested, not the Department of Industrial Accidents. Should you have any questions regarding the law or if you are required to obtain a workers’ compensation policy, please call the Department at the number listed below. Self-insured companies should enter their self-insurance license number on the appropriate line.

City or Town Officials

Please be sure that the affidavit is complete and printed legibly. The Department has provided a space at the bottom of the affidavit for you to fill out in the event the Office of Investigations has to contact you regarding the applicant. Please be sure to fill in the permit/license number which will be used as a reference number. In addition, an applicant that must submit multiple permit/license applications in any given year, need only submit one affidavit indicating current policy information (if necessary) and under “Job Site Address” the applicant should write “all locations in ______(city or town).” A copy of the affidavit that has been officially stamped or marked by the city or town may be provided to the applicant as proof that a valid affidavit is on file for future permits or licenses. A new affidavit must be filled out each year. Where a home owner or citizen is obtaining a license or permit not related to any business or commercial venture (i.e. a dog license or permit to burn leaves etc.) said person is NOT required to complete this affidavit.

The Office of Investigations would like to thank you in advance for your cooperation and should you have any questions, please do not hesitate to give us a call.

The Department’s address, telephone and fax number:

The Commonwealth of Massachusetts

Department of Industrial Accidents

Office of Investigations

1 Congress Street, Suite 100

Boston, MA 02114-2017

Tel. # 617-727-4900 ext 7406 or 1-877-MASSAFE

Fax # 617-727-7749

www.mass.gov/dia Revised 7-2013

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What the Massachusetts Workers' Compensation Affidavit Is

The Massachusetts Workers' Compensation Affidavit is a sworn statement used to document the circumstances, medical treatment, and parties involved in a workplace injury or occupational illness. Claimants, employers, and insurers commonly use the affidavit to support a claim submitted to the insurer or to the Massachusetts Department of Industrial Accidents. The affidavit records factual details such as date and time of injury, location, witnesses, medical providers, and the claimant's account under penalty of perjury; it becomes part of the official claim file and evidentiary record.

Why a Complete Affidavit Matters for Your Claim

A clear, accurate affidavit establishes a documented, dated account that supports benefit eligibility, medical payments, and compensability decisions. It reduces ambiguity for claims adjusters, preserves evidence, and speeds claim intake and adjudication while creating a formal record that can be relied on in hearings or appeals.

Why a Complete Affidavit Matters for Your Claim

Who Typically Completes or Receives This Affidavit

The affidavit is used throughout the claim lifecycle by employees, employers, and carriers to record injury facts and trigger benefits.

  • Injured employees and claimants who must provide a sworn description of the injury, treatments, and work restrictions.
  • Employers and human resources staff that complete employer-verification sections and provide witness contact information to carriers.
  • Insurance claims adjusters and defense counsel who use the affidavit to evaluate compensability and arrange medical or vocational services.

Different recipients rely on the affidavit for intake, investigation, and dispute resolution; completeness helps everyone move the claim forward.

Common Signers and Their Roles

Claims Adjuster — Insurance Company

Adjusters review the affidavit to verify dates, treatment, and employer statements; they use it to open files, schedule medical exams, and set reserves in the claim system. Accurate affidavits reduce follow-up requests and administrative delay.

HR Manager — Employer

HR completes the employer-attestation portion, documents worksite facts, and supplies witness names and contact details. Employer input helps reconcile payroll, return-to-work options, and safety follow-up; inaccuracies can prolong investigations.

Essential Parts of a Professional Workers' Compensation Affidavit

A compliant affidavit groups factual sections so reviewers can quickly verify eligibility and next steps; these core components reduce ambiguity and support adjudication.

Claimant Details

Full legal name, address, phone, date of birth, and employer information; accurate identification links the affidavit to payroll and medical records.

Date and Location

Exact date, time, and specific location of the incident or exposure; precise details matter for timeline and jurisdiction questions.

Injury Description

Concise narrative of how the injury occurred, body part(s) affected, and immediate symptoms; include objective observations where possible.

Medical Treatment

Provider names, dates of visits, diagnoses, and work restrictions; supporting records establish causation and need for benefits.

Witness Statements

Names and contact details of witnesses plus brief descriptions of what they observed; corroboration helps credibility.

Oath and Signature

Claimant signature, date, and notarization or witness block if required by employer or insurer; unsigned forms risk rejection.

Step-by-Step: Complete and Submit the Affidavit

Use this concise sequence to collect information, confirm accuracy, and route the affidavit to the right parties for processing.

  • 01
    Gather Documents: Collect medical notes, witness contacts, and employment records before drafting the affidavit.
  • 02
    Complete Form: Enter required fields using MM/DD/YYYY for dates and full legal names to avoid mismatches.
  • 03
    Authenticate: Sign in presence of notary or follow employer/insurer instructions for e-signature authentication.
  • 04
    Submit: Send to insurer and retain a copy; provide filings to the MA Department of Industrial Accidents if requested.

How Electronic Completion and Submission Works

Digital workflows allow secure completion, authentication, and routing; follow required authentication steps to maintain legal effectiveness.

  • Prepare Document: Upload PDF or DOCX and add fillable fields.
  • Add Signers: Specify claimant, employer rep, and any required witnesses or notary.
  • Authenticate Signers: Use email, SMS code, or stronger methods for identity verification.
  • Route to Parties: Send signed copies to insurer, employer, and claimant automatically.

Typical Digital Workflow Settings for an Affidavit

Configure these settings to match insurer and Massachusetts DIA expectations when using an electronic workflow for affidavits.

Field Configuration
Authentication Method Email link | SMS code | KBA as needed
Required Attachments Medical records PDF | Witness statements
Routing Order Claimant → Employer → Adjuster → Notary
Notifications Email confirmations and completion certificate

Technical Considerations for eSubmission and Signing

Use a platform that supports PDF and DOCX, audit trails, and required authentication methods for legal reliability.

  • File Formats: PDF and Word supported
  • Integrations: Works with Salesforce, NetSuite, Google Workspace
  • Browser Requirements: Modern browsers; enable TLS connections

Security and Compliance Considerations for Electronic Affidavits

Encryption: TLS 1.2/1.3 in transit; AES-256 at rest
Audit Trail: Detailed timestamps, IP logs, and signer events
HIPAA Support: BAA available for protected health information
ESIGN / UETA: Compliant for legal enforceability
SOC 2 / ISO: SOC 2 Type II and ISO 27001 certifications
Accessibility: WCAG 2.0 Level AA conformance

Consequences of Inaccurate or Fraudulent Affidavits

Claim Denial: Possible
Appeal Delay: Likely
Perjury Risk: Criminal exposure
Financial Liability: Repayment of benefits
Investigations: Employer or insurer inquiry
Legal Costs: Attorney fees and litigation

Common Preparation Errors to Avoid

  • Missing or inconsistent dates between the affidavit, medical records, and employer reports that create questions about timing or causation.
  • Incomplete employer information or incorrect department names that delay verification and slow claim acceptance.
  • Unsigned or improperly notarized signatures when a notary or witness is required by the insurer or statute.
  • Failing to attach contemporaneous medical records or provider notes that substantiate treatment and causation.

Timing Considerations and Typical Deadlines

Prompt reporting and timely submission help preserve benefits and avoid procedural issues; exact deadlines may vary by employer policy and DIA direction.

Notify Employer Promptly:

Inform the employer as soon as reasonably possible after the injury

Submit to Insurer:

Provide the affidavit to the carrier per their intake procedures

DIA Filings:

File or respond according to Massachusetts Department of Industrial Accidents rules

Medical Authorization:

Provide records promptly to avoid delay in treatment approvals

Appeals and Hearings:

Meet timelines set in hearing notices and DIA orders

Practical Examples of Affidavit Use

These short case arcs illustrate how properly completed affidavits support timely claim resolution and documentation for hearings.

Optica Ventures Example

A claimant documented a slip-and-fall with a clear timeline and provider notes

  • Witness contact corroborated the account
  • The insurer requested fewer follow-ups and the file moved to benefits payment with fewer administrative cycles.

Martin Properties Example

A property manager used an e-signed affidavit linked to medical records

  • The employer verified duty status quickly
  • Consolidated documentation reduced hearing preparation time and streamlined return-to-work coordination.

Sample eSignature Providers and Pricing for Affidavit Workflows

Compare vendor starting prices and key capabilities commonly required for affidavit execution, notarization workflows, and HIPAA or audit-trail compliance.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day free trial Varies by plan Varies by plan Varies by plan Varies by plan
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently Asked Questions About Affidavit Execution

Answers to common questions about electronic signing, notarization, and handling of the Massachusetts Workers' Compensation Affidavit.


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