11+ Common Post-Tax Deductions: Running Payroll in the US

11+ Common Post-Tax Deductions: Running Payroll in the US

11+ Common Post-Tax Deductions: Running Payroll in the US

January 20, 2025

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Key Takeaways

  1. While pre- and post-tax deductions cover a range of benefits, unlike pre-tax deductions, these payroll deductions do not reduce the employee’s taxable income
  2. Post-tax deductions may offer other benefits, such as tax-free withdrawals or payouts for an employee’s pension
  3. Outsourcing payroll to a specialized service provider like INS Global can drastically reduce the administrative burden on businesses required to run payroll in the US
Summary

 

Running payroll in the US involves employers navigating a complex web of tax regulations and deductions. Post-tax deductions, which play a crucial role in ensuring employees’ paychecks, are among the deductions that need to be processed accurately and compliantly yet are most often overlooked. For employers in the US, post-tax deductions are key to ensuring employee satisfaction by managing their benefits and avoiding costly non-compliance penalties.

In this blog, we’ll explore the various types of deductions, how to calculate them, and how INS Global can help simplify payroll compliance for your businesses.

 

What Are Post-Tax Deductions? Common Types of Post-tax Deductions

 

Post-tax deductions are amounts subtracted from an employee’s paycheck after taxes have been applied. While pre- and post-tax deductions cover a range of benefits, unlike pre-tax deductions, these payroll deductions do not reduce the employee’s taxable income.

There is no one-size-fits-all, but common examples of post-tax deductions include wage garnishments, insurance premiums, retirement contributions, and charitable donations.

 

Wage Garnishments

 

Wage garnishments are legal orders requiring employers to withhold a portion of an employee’s earnings to pay off debts or fines. This deduction type is one of the most complex, as it involves strict legal compliance and often very negatively affects employee satisfaction.

Court-ordered garnishments might include debts such as unpaid taxes, student loans, or consumer debt. According to the US Department of Labor, garnishment limits are typically around 25% of disposable earnings or the amount by which weekly wages exceed 30 times the minimum wage, whichever is less.

 

Child support and alimony deductions

 

Child support and alimony deductions are also commonly seen as wage garnishments. The Office of Child Support Enforcement ensures compliance with state-specific regulations, often capping deductions at 50-65% of an employee’s income, depending on the situation.

 

Insurance Premiums

 

Many employees opt to have various insurance premiums deducted post-tax in order to increase the tax-free amounts received in payouts. These include life insurance, disability insurance, and other voluntary plans.

 

Retirement Contributions

 

Retirement contributions to accounts like Roth IRAs are common post-tax deductions. Unlike pre-tax retirement accounts, Roth IRAs offer tax-free withdrawals during retirement, enhancing employee benefits satisfaction.

 

Charitable Contributions

 

Employers often support charitable giving by facilitating payroll deductions for donations. Charitable deductions are generally taken pre-tax in the US in order to enhance the income tax reduction benefit that this provides; however, it is possible to make these deductions post-tax also. This not only supports employee engagement but also fosters a culture of giving.

Employees can authorize payroll deductions for charitable contributions, which are then sent directly to chosen charities that further benefit the recipient. Although these deductions are then made post-tax according to the employee’s payroll, they may still be tax-deductible on individual tax returns.

 

Key Differences Between Pre-tax and Post-tax Deductions

 

Pre-tax deductions are taken from and lower an employee’s taxable income and go towards more covering things like health insurance premiums and mandatory retirement plans, providing immediate tax savings.

 whereas

Post-tax deductions do not impact taxable income but may offer other benefits, such as tax-free withdrawals or payouts for an employee’s pension. Post-tax deductions are generally voluntary, with the exception of wage garnishments.

 

Calculating Post-tax Deductions

 

How to Accurately Deduct the Right Amounts

 

Employers must ensure that deductions are calculated after all other required taxes have been applied to the gross income. This involves deep familiarity with each type of deduction and adhering to legal caps, especially in the case of garnishments:

 

Calculate Taxable Income – Step-by-Step

 

  1. Determine Gross Pay – Start with the employee’s total gross pay, which includes salary, wages, overtime, bonuses, and any other earnings.
  2. Subtract pre-tax deductions (such as health insurance premiums, retirement contributions to 401(k) plans, etc.) from the gross pay to find the taxable income.
  3. Calculate and subtract federal, state, and local taxes from the taxable income. These taxes include federal income tax, Social Security tax, Medicare tax, state income tax, and any applicable local taxes and/or tax credits.
  4. Identify Post-Tax Deductions – List all post-tax deductions that should or need to be applied.
  5. Apply Post-Tax Deductions – Deduct each post-tax item from the net pay after taxes have been calculated. Ensure that mandatory post-tax deductions like wage garnishments are applied before voluntary deductions.
  6. Review and Verify – After applying all deductions, review the calculations to ensure accuracy. Make sure that the total of post-tax deductions does not exceed the available net pay.
  7. The remaining amount after all post-tax deductions is the employee’s final net pay.

 

Managing Deductions for Employers

 

Employer Responsibilities for Post-tax Deductions

 

Employers must ensure that all deductions are authorized by employees and comply with applicable laws. They must also maintain clear documentation for each deduction and provide transparent reporting on paychecks.

 

Ensuring Compliance with Legal Regulations

 

Compliance with legal regulations surrounding deductions of any kind is non-negotiable. This includes adhering to state and federal government laws regarding garnishments and ensuring that voluntary deductions like insurance premiums are properly documented.

 

Can Post-tax Deductions Be Refunded?

 

In some cases, deductions can be refunded, but this depends on the nature of the deduction. For example, over-withheld child support payments may be refundable, but insurance premiums or retirement contributions typically are not.

Employers need to handle these situations carefully to ensure compliance and proper reimbursement when necessary.

 

Automating Post-tax Deductions

 

Automation is a game-changer in managing payroll, particularly for post-tax deductions which are so often overlooked. Using payroll software can minimize errors, ensure timely deductions, and simplify compliance.

However, payroll automation tools are expensive and complicated and assume the user’s HR and legal expertise. Such tools can be indispensable but may still require professional support to be utilized to their fullest extent.

 

How Outsourcing Support Simplifies US Payroll – What Tools and Resources Do Payroll Services Provide?

 

Outsourcing payroll to a specialized service provider like INS Global can drastically reduce the administrative burden on businesses required to run payroll in the US. Payroll services typically offer a range of localized tools and resources to ensure accurate and compliant payroll processing, including:

 

  • Automated Payroll Software – These professional platforms handle everything from wage calculations to tax deductions, ensuring accuracy and compliance.
  • Compliance Management Expertise – Keeping up with federal and state regulations can be daunting. Payroll services provide tools to ensure that all deductions meet current legal standards.
  • Employee Self-Service Portals – These portals allow employees to view their pay stubs, manage deductions, and update personal information, reducing the HR department’s workload.
  • Experienced Support – Access to payroll tax specialists who can provide guidance on complex deduction scenarios and ensure that all processes are legally compliant.

 

post-tax deductions in the US

 

Conclusions – Partnering with INS Global to Run Payroll in the US Quickly and Compliantly

 

Managing post-tax deductions in the US can be complex and time-consuming, but partnering with INS Global can streamline the process. With comprehensive payroll solutions, INS Global ensures that all deductions are handled accurately and in compliance with US regulations, saving employers time and reducing the risk of costly errors.

Partnering with INS Global frees up valuable time and resources, allowing you to focus on strategic initiatives that drive growth.

Ready to simplify your payroll processes in the US or another one of our 160+ fully serviced international markets? Contact INS Global today to learn more about how our tailored payroll solutions can support your business success.

 

Frequently Asked Questions on Post-tax Deductions

 

How Are Post-Tax Deductions Reported on Paychecks?

 

Post-tax deductions are listed and itemized on employee paychecks, providing transparency and clarity. This breakdown helps employees understand exactly where their money is going and ensures compliance with reporting requirements.

 

Can Employees Opt Out of Post-Tax Deductions?

 

Most post-tax deductions, such as voluntary insurance premiums or charitable contributions, can be opted out of by employees. However, mandatory deductions like wage garnishments or child support cannot be opted out of.

 

What Happens if Deductions Exceed Net Pay?

 

If post-tax deductions exceed an employee’s pay, employers must adjust the deductions accordingly. Legal deductions like child support take precedence, and voluntary deductions may need to be reduced or postponed.

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