Classification Corrections

Dates used for classification corrections

When a policy needs a change to the classification codes, we follow specific rules on when the change is effective. Below is an excerpt from the Basic Manual for the applicable rules:​

Class correction: Basic Manual Rule 1.F
Note: This Rule does not apply to the reallocation of payroll among classifications already included on the policy.
policy inception



a. first 120 days - inception
b. after 120 days & before last 90 days - pro rata
c. last 90 days - renewal



  • construction or erection firms
  • employee leasing firms
  • labor contractors
  • ​temporary labor services​

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