What's the Difference Between Regular and Supplemental Runs
This table describes how regular and supplemental payroll runs calculate federal taxes, based on the default settings.
For this payment type |
And this process and pay option |
Taxes regular runs this way |
Taxes supplemental runs this way |
---|---|---|---|
Standard |
Process and pay with other earnings |
Annualized |
N/A |
Standard |
Process and pay with other earnings |
Annualized, Aggregation |
N/A |
Standard |
Process separately but pay with other earnings |
Annualized (Standard Earnings) + Tiered Flat Rate (Supplemental Earnings) |
N/A |
Standard |
Process separately and pay separately |
Annualized (Standard Earnings) + Tiered Flat Rate (Supplemental Earnings) for two separate pays |
N/A |
Supplemental |
Process and pay with other earnings |
Annualized, Aggregation |
Tiered Flat Rate |
Supplemental |
Process separately but pay with other earnings |
Annualized (Standard Earnings) + Tiered Flat Rate (Supplemental Earnings) |
Tiered Flat Rate |
Supplemental |
Process separately and pay separately |
Tiered Flat Rate |
Tiered Flat Rate |
Supplemental |
Process separately and pay separately |
Annualized (Standard Earnings) + Tiered Flat Rate (Supplemental Earnings) for two separate pays |
Tiered Flat Rate |
For further info, see How Supplemental Earnings Are Calculated in a Regular Run in the US in the Help Center.