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.
| Premium | When |
| decrease | policy inception |
| increase | first 120 days – inception, after 120 days & before last 90 days – pro rata, last 90 days – renewal |
| exceptions | construction or erection firmsemployee leasing firmslabor contractorstemporary labor services |
