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      Go to Instructions                                                                                    Print                                        Reset                         OCR 100

                                                                   EMPLOYER'S BASIC REPORT OF INJURY 
                                                          Michigan Department of Labor and Economic Opportunity 
                                                                          Workers’ Disability Compensation Agency 
                                                                              PO Box 30016, Lansing, MI 48909 
 An employer shall report immediately to the agency on Form WC-100 all injuries, including diseases, which arise out of and in the course of the employment, or on which a claim is 
 made and result in any of the following: (a) Disability extending beyond seven (7) consecutive days, not including the date of injury; (b) Death; (c) Specific losses. In case of death, an 
 employer shall also immediately file an additional report on WC-106. See instructions on reverse side for filing/mailing procedures. 
 I .EMPLOYEE DATA             
 1. Social Security Number                          2. Date of injury                3. Employee name (Last, First, MI) 
                                                                                                                                                          
 4. Address (Number & Street)                                                        5. City                                         6. State                                  7. ZIP Code 

 8. Date of birth (MM/DD/YYYY)                               9. Number of dependents                                                 10. Telephone number       
                                                                                      
 11. Tax filing status:        A. Single          B. Single, Head of Household          C. Married, Filing Joint           D. Married, Filing Separate 
 II .EMPLOYER/CARRIER DATA               
 12. Employer name                                                                                                                       13. Federal ID Number 
                                                                                                                                                                           
 14. Injury location code               15. Mailing location code                    16. UI number                                       17. Type of business (SIC/NAICS)   
                                                                                                                                                                           
 18. Employer street address                                                         19. City                                            20. State                             21. ZIP code  
                                                                                                                                                                                                
 22. Insurance company name (if employer not self-insured)                                                                               23. Insurance company telephone number (if known)      
                                                                                                                                                                           
 III .INJURY/MEDICAL DATA              
 24. Last day worked                    25. Date employee returned to work (if applicable)                                       26. Did employee die?                     27. If yes, date of death  
                                                                                                                                 Yes        No 
 28. Injury city                        29. Injury state                  30. Injury county                                      31. Did injury occur on employer's premises?      
                                                                                                                                           Yes       No   (If no, see item 53) 
 32. Case number from OSHA/MIOSHA log                                      33. Time employee began work                          34. Time of event                          If time cannot be determined, 
                                                                                                 a.m.      p.m  .                                         a.m.   p.m  .     check here          
 35. What was the employee doing just before the incident occurred?  Describe the activity, as well as the tools, equipment, or material the employee was using.  Be specific.                         
                                                                                                   
 36. How did the injury occur? Examples: “When ladder slipped on wet floor, worker fell 20 feet;” “Worker was sprayed with chlorine when gasket broke during replacement”                                                 

 37. Describe the nature of injury or illness                                                      38. Part of body directly affected by the injury or illness  

 39. What object or substance directly harmed the employee?  Examples: concrete floor, chlorine, radial arm saw.  If this question does not apply to the incident, leave it blank. 
                                                                                                   
 40. Name of physician or other health care professional              41. Was employee treated in an emergency room?                         42. Was employee hospitalized overnight as an in-patient?   
                                                                                         Yes       No                                                                Yes       No 
 43. If treatment was given away from the worksite, where was it given? (Include name, address, city, state and ZIP code of facility)                     

 IV .OCCUPATION AND WAGE DATA                    
 44. Date hired                         45. Total gross weekly wage (highest 39 of 52)             46. Number of weeks used                               47. Value of discontinued fringes       
                                                                                                                                   
 48. Occupation (Be specific)           49. Was employee a volunteer worker?                       50. Was employee certified as vocationally handicapped?                                                                                          
                                                   Yes             No                                                            Yes                No 
 51. Date employer notified by employee                   52. If temporary service agency, provide name/address of employer where injury occurred.                        

 V .PREPARER DATA                     I CERTIFY THAT A COPY OF THIS REPORT HAS BEEN GIVEN TO THE EMPLOYEE                                                  
 Making a false or fraudulent statement for the purpose of obtaining or denying benefits can result in criminal or civil prosecution, or both, and denial of benefits. 
 53. Preparer's name (Please print or type)               54. Preparer's signature                                                   55. Telephone number                      56. Date prepared   

             Notice to employee: Questions or errors should be reported immediately to the individual listed above in space 54  
 
WC-100 (Rev. 1220/      ) Front                                        



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 If you are using this form as a replacement for the Form 301 to document the specifics of an injury or illness for 
 purposes of compliance with the work-related injury and illness logging requirements, follow the instructions in 
 Section A only. 
  
 If you are using this form to report a workers’ compensation injury, follow the instructions in Section A and B. 
  
                                                               Section A 
  
 This form can be used in lieu of the MIOSHA Form 301,               Injury and Illness Incident Report.      It is one of the first  
 forms you must fill out when a recordable work-related injury or illness has occurred. Together with the Log of 
 Work-Related Injuries and Illnesses (Form 300) and the accompanying            Summary (Form 300A), these forms help 
 the employer and MIOSHA develop a picture of the extent and severity of work-related incidents. 
  
 Within 7 calendar days after you receive information that a recordable work-related injury or illness has occurred, 
 you must fill out questions 1-9, 27-28, 33-45 and 54-57. 
  
 According to Public Law of 1970 (P.L. 91-596) and Michigan Occupational Safety and Health Act 154, P.A. 1974, 
 Part 11, Michigan Administrative Rule for Recording and Reporting of Injuries and Illnesses, you must keep this 
 form on file for 5 years following the year to which it pertains.  DO NOT mail this form to the Workers’ 
 Disability Compensation Agency unless it meets the conditions listed below in Section 
 B. 
  
                                                               Section B 
  
 You must complete all questions on this form if the injury or disease results in any of the following:  (a) Disability  
 extending beyond seven (7) consecutive days, not including the date of injury; (b) Death; (c) Specific loss.  The  
 original form must be mailed to the Workers’ Disability Compensation Agency, P.O. Box 30016, Lansing, MI  
 48909. 
  
 Authority:      Workers' Disability Compensation Act, 408.31(1)(3) 
 Completion:     Mandatory                                          LEO is an equal opportunity employer/program.  Auxiliary aids,  
                                                                    services and other reasonable accommodations are available upon 
 Penalty:        Workers' Disability Compensation Act, 418.631      request to individuals with disabilities. 
 
 WC-100 (Rev. 12/20) Back 

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