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EMPLOYER’S FIRST REPORT OF INJURY OR DISEASE Department of Workforce Development
Fatal Injuries: Employers subject to ch.102, Wis. Stats., must report injuries resulting in death to the Department and to Worker’s Compensation Division
their insurance carrier, if insured, within one day after the death of the employee. 201 E. Washington Ave.
Non-Fatal Injuries: If the injury or occupational illness results in disability beyond the three-day waiting period, the P.O. Box 7901
employer, if insured, must notify its insurance carrier within 7 days after the injury or beginning of disability. Medical-only Madison, WI 53707
claims are to be reported to the insurance carrier only, not the Department. Imaging Server Fax: (608) 260-2503
Electronic Reporting Requirement: All work-related injuries and illnesses resulting in compensable lost time, with the
exception of fatalities, must be reported electronically to the Department via EDI or Internet by the insurance carrier or self- Telephone: (608) 266-1340
insured employer within 14 days of the date of injury or beginning of disability. Employer may fax claims for fatal injuries to https://dwd.wisconsin.gov/wc
(608) 267-0394. e-mail: DWDDWC@dwd.wisconsin.gov

*Provision of your Social Security Number (SSN) is voluntary. Failure to provide it may result in an information processing delay.
The Department of Workforce Development (DWD) administers the Worker's Compensation Act, Chapter 102 Wis. Stats. The purpose of this form is to assist with the
procurement of information related to or required by Chapter 102. Completion of this form is voluntary and failure to complete said form may result in a delay in the
administration of Chapter 102. DWD may use the personally identifiable information (PII) it obtains from you on this form for purposes other than those for which it is being
collected.
(Please read the instructions on page 2 for completing this form)
Employee Name (First, Middle, Last) Social Security Number* Sex Employee Home Telephone No.
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Employee Street Address City State Zip Code Occupation

EMPLOYEE
Birthdate Date of Hire County and State Where Accident or Exposure Occurred?

Employer Name WI Unemployment Ins. Acct No. Self-Insured? Nature of Business (Specific Product)
Yes No
Employer Mailing Address City State Zip Code Employer FEIN
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Name of Worker’s Compensation Insurance Co. or Self-Insured Employer Insurer FEIN
EMPLOYER -
Name and Address of Third Party Administrator (TPA) Used by the Insurance Company or Self-Insured Employer TPA FEIN
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Wage at Time of Injury Specify per hr., wk., mo., yr., etc. In Addition to Wages, Meals No. of Meals/wk.
Check Box(es) if Room No. of Days/wk
$ Per: Employee Received: Tips Avg. Weekly Amt. $
Is Worker Paid for Overtime? Yes No If Yes, After How Many Hours of Work Per Week?
For the 52 Week Period Prior to the Week the Injury Occurred, Report Below the Number of Weeks Worked in the Same Kind of Work,
and the Total Wages, Salary, Commission and Bonus or Premium Earned for Such Weeks.
No. of Weeks: Gross Amount Excluding Tips: $ If Piece-Work, No. of Hrs. Excluding Overtime:
Start Time Hours Per Day Hours Per Week Days Per Week
Employee’s Usual Work Schedule When Injured: : AM PM
WAGE INFORMATION
Employer’s Usual Full-Time Schedule for This
Type of Work at Time of Employee’s Injury:
Part-Time Are there Other Part-Time Workers Doing the Same Work Number of Full-Time Employees Doing The
Employment With the Same Schedule? Same Type Of Work:
Information: Yes No If Yes, how many?
Injury Date Time of Injury Last Day Worked Date Employer Notified Date Returned to Work
: AM PM Estimated Date of Return
Did Injury Cause Death? Date of Death Was This a Lost Time or Other Did Injury Occur Because of:
Yes No Compensable Injury? Substance Failure to Use Failure to
Yes No Abuse Safety Devices Obey Rules
Was Employee Treated in an Emergency Room? Yes No Was Employee Hospitalized Overnight as an In-Patient? Yes No
Name and Address of Treating Practitioner and Hospital:
Case Number from the OSHA Log:
Injury Description - Describe Activities of Employee When Injury or Illness Occurred and What Tools, Machinery, Objects, Chemicals, Etc. Were
INJURY INFORMATION Involved.

What Happened to Cause This Injury or Illness? (Describe How The Injury Occurred)

What Was The Injury or Illness? (State the Part of Body Affected and How It Was Affected)

Report Prepared By Work Phone Number Position Date Signed
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WKC-12 (R. 09/202 ) 4 SEND REPORT IMMEDIATELY - DO NOT WAIT FOR MEDICAL REPORT

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EMPLOYER AND INSURANCE CARRIER INSTRUCTIONS

The employer must complete all relevant sections on this form and submit it to the employer’s worker’s
compensation insurance carrier or third party claim administrator within seven (7) days after the date of a
work-related injury which causes permanent or temporary disability resulting in compensation for lost time. The
employer’s insurance carrier or the third-party claim’s administrator may request that this form also be used to
immediately report any injury requiring medical treatment, even though it does not involve lost work time.

For any work injury resulting in a fatality, the employer must also submit this form directly to the Department
of Workforce Development within 24 hours of the fatality.

An employer exempt from the duty to insure under s. 102.28, Wis. Stats., and an insurance carrier
administering claims for an insured employer are required to submit this form to the Department of Workforce
Development within 14 days of the date of work injury.

MANDATORY INFORMATION

In order to accurately administer claims, each of the following sections of this form must be
completed. The First Report of Injury will be returned to the sender if the mandatory information is not
provided.

Employee Section: Provide all requested information to identify the injured employee. If an employee has
multiple dates of employment, the “Date of Hire” is the date the employee was hired for the job on which he or
she was injured.

Employer Section: Provide all requested information to identify the injured worker’s employer at the time of
injury. Provide the name and Federal Employer Identification Number (FEIN) for the insurance carrier or self-
insured employer responsible for the worker’s compensation expenses for this injury. Also identify the third
party claim administrator, if one is used for this claim.

Wage Information Section: Provide the information requested regarding the injured employee’s wage and
hours worked for the job being performed at the time of injury.

Injury Information Section: Provide information regarding the date and time of injury. Provide a detailed
description of the injury, including part of the body injured, the specific nature of the injury (i.e., fracture, strain,
concussion, burn, etc.) and the use of any objects or tools (i.e., saw, ladder, vehicle, etc.) that may have
caused the injury. Provide the name of the person preparing this report and the telephone number at which
they may be reached, if additional information is needed. This form was designed to include information
required by OSHA on form 301. If this section is completed and retained, the employer will not have to
complete the OSHA 301 form.

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