Examples of Payroll Calculation Info for the US

The following examples help illustrate how various rules and definitions work together to calculate deductions.

Here are the deductions being calculated.

  • Federal (FIT) and state income taxes (SIT)

  • Medicare

  • Social Security

Each example provides sample values for the following rules and definitions.

  • Component group

  • References for wage basis rules

  • References for calculation factors

  • Wage basis rules

  • Related elements

  • Calculation factors for elements

  • Associations for tax reporting

Income Tax Deductions for Federal and State

You must provide sufficient info for the payroll process to apply the correct SIT and FIT deductions for each employee.

Based on regional values from the employee's record, the payroll process uses the following to calculate the SIT.

What it uses

Where it comes from

Declared allowances

These are defined on the employee tax card.

For further info, see Tax Withholding Card in the Help Center.

Marital status, where appropriate

These are defined on the employee tax card.

Taxable wages

These are determined by your wage basis rules.

For further info, see Tax Wage Basis Rules for the US in the Help Center.

To view the wage basis rules the payroll process uses to calculate the FIT and SIT deductions, use the Component Group Rules task.

For example, the following displays some of the values for FIT and California SIT.

Primary classification

Secondary classification

Is it subject FIT?

Is it not withholdable for FIT?

Is it subject to SIT?

Is it not withholdable for SIT?

Standard Earnings

All

Yes

Yes

Imputed Earnings

Cash Tips Reported

Yes

Yes

Domestic Partner Nondependent

Yes

Group Term Life

Yes

Yes

Moving Expense Nonqualified and Taxable

Yes

Yes

Noncash Award

Yes

Yes

Personal Use of Company Car

Yes

Yes

Pretax Deductions

Health Savings Account

Yes

Health Savings Account Catch Up

Yes

Supplemental Earnings

Awards and Prizes

Yes

Yes

Bonus

Yes

Yes

Cafeteria Plan

Yes

Yes

Commission

Yes

Yes

Deferred Compensation Distribution

Yes

Yes

Dismissal Payments

Yes

Yes

Jury Duty Pay

Yes

Yes

Moving Expense Nonqualified

Yes

Yes

Medicare Deductions

For Medicare, both the employer and the employee contribute to the tax, but the employee contribution rate varies based on their wages.

The payroll process calculates the deduction by:

  1. Calculating the base amount for the employee's contribution.

  2. Calculating the base amount for the employer's contribution.

  3. Calculating the employee's contribution amount.

  4. Calculating the employer's contribution amount.

To view the wage basis rules the payroll process uses to calculate the Medicare tax deductions, use the Component Group Rules task.

Primary classification

Secondary classification

Is it subject to Medicare?

Standard Earnings

All

Yes

Imputed Earnings

All

Yes

Pretax Deductions

Deferred Compensation 401k

Yes

Deferred Compensation 401k Catch Up

Yes

Nonqualified Deferred Compensation

Yes

Supplemental Earnings

Awards and Prizes

Yes

Bonus

Yes

Commission

Yes

Social Security Deductions

For Social Security, both the employer and the employee contribute to the tax.

Note: The Social Security wage limit changes each year.

The payroll process calculates the deduction by:

  1. Calculating the base amount for the employee's contribution.

  2. Calculating the base amount for the employer's contribution.

  3. Calculating the employee's contribution amount.

  4. Calculating the employer's contribution amount.

To view the wage basis rules the payroll process uses to calculate the Social Security tax deductions, use the Component Group Rules task.

Primary classification

Secondary c

Is it subject to Social Security?

Standard Earnings

All

Yes

Imputed Earnings

All

Yes

Pretax Deductions

Deferred Compensation 401k

Yes

Deferred Compensation 401k Catch Up

Yes

Nonqualified Deferred Compensation

Yes

Supplemental Earnings

Awards and Prizes

Yes

Bonus

Yes

Commission

Yes