Post-Tax Deductions
Roth 401(k), garnishments, and other after-tax paycheck deductions
Are union dues tax deductible?
Union dues are generally NOT tax deductible for most W-2 employees since 2018. The Tax Cuts and Jobs Act eliminated the miscellaneous itemized deduction that previously allowed union dues deductions. However, self-employed union members may still deduct dues as a business expense.
Can creditors garnish my paycheck?
Most creditors can garnish your paycheck after getting a court judgment, but federal law limits garnishment to 25% of disposable income or the amount above 30 times federal minimum wage ($217.50/week in 2026), whichever is less. Some states provide stronger protections, and certain debts like child support can take more.
What is the difference between pre-tax and post-tax deductions?
Pre-tax deductions reduce your taxable income and save you money on taxes, while post-tax deductions come from your after-tax income. A $200 pre-tax health insurance deduction saves a typical employee $50-70 per month in taxes compared to the same post-tax deduction.
How do charitable payroll deductions work after tax?
Charitable payroll deductions are taken after taxes from your net pay, but you can claim them as itemized deductions on your tax return. For someone in the 22% tax bracket donating $100/month, this means a $264 tax refund if they itemize deductions.
How do I know which deductions are pre-tax vs post-tax?
Pre-tax deductions (like 401k and health insurance) reduce your taxable income and appear before taxes on your paystub. Post-tax deductions (like life insurance premiums and savings bonds) come after taxes are calculated. Pre-tax deductions save you approximately 22-35% depending on your tax bracket.
How do I stop a wage garnishment?
You can stop wage garnishment by paying the debt in full, negotiating a payment plan, filing for bankruptcy, or challenging the garnishment in court. Most garnishments are limited to 25% of disposable income or the amount exceeding 30 times the federal minimum wage ($217.50/week in 2026), whichever is less.
How do loan repayments through payroll work?
Payroll loan repayments are automatically deducted from your paycheck after taxes are calculated. Most loan repayments (except 401(k) loans) don't reduce your taxable income, so you pay the full loan amount from your take-home pay. About 8% of employees use payroll deduction for student loans according to SHRM data.
How do union dues affect my paycheck?
Union dues are deducted from your paycheck after taxes, reducing your take-home pay by the full amount. If you pay $50 per month in union dues, your paycheck drops by exactly $50. Unlike 401(k) contributions, union dues don't reduce your taxable income or provide immediate tax savings.
How does after-tax life insurance work on my paycheck?
After-tax life insurance deductions pay for coverage above $50,000. The first $50,000 of employer-provided life insurance is tax-free, but coverage beyond that amount requires after-tax premium payments. For example, if you have $150,000 in coverage and pay $25 per paycheck, you're paying after-tax for the extra $100,000 in coverage.
How does IRS tax levy garnishment work?
IRS wage garnishment allows the IRS to take a percentage of your paycheck directly from your employer for unpaid taxes. They can garnish up to 70% of your disposable income, but must leave you with at least the exempt amount based on your filing status and dependents - typically $300-800 per week for most taxpayers.
How much can be garnished from my paycheck?
Federal law limits most wage garnishments to 25% of disposable income or the amount exceeding 30 times minimum wage ($290/week in 2026), whichever is less. Child support can take 50-60%, and some debts like taxes have different rules.
How does student loan garnishment work?
Federal student loan garnishment allows the government to take up to 15% of disposable income without a court order. For someone earning $50,000, this could mean $450-600 monthly garnishment. Unlike other garnishments, student loans have no statute of limitations and continue until paid off or resolved.
How does a Roth 401(k) contribution differ from traditional on my pay stub?
Traditional 401(k) contributions appear above the taxable wages line and reduce your tax liability immediately. Roth 401(k) contributions appear below taxes as post-tax deductions, so you pay full taxes on your gross income. On a $75,000 salary, a $200 traditional contribution saves about $60 in taxes per paycheck versus $0 for Roth.
What is a court-ordered deduction?
A court-ordered deduction is money your employer must remove from your paycheck due to a legal judgment, such as wage garnishment, child support, or tax levies. These deductions are taken after taxes and are limited to 25% of disposable income for most debts, though child support can take up to 50-60% depending on circumstances.
What is the maximum garnishment for child support?
Federal law limits child support garnishment to 50-65% of disposable earnings. If you're not supporting another spouse or child, the maximum is 60%. If you are supporting others, it's 50%. Add 5% if payments are over 12 weeks behind, making the maximum 65% or 55% respectively.
What is a PAC (Political Action Committee) deduction on my paycheck?
A PAC deduction on your paycheck is a voluntary political contribution to your employer's Political Action Committee, typically ranging from $5-25 per pay period. Unlike taxes or required deductions, PAC contributions are entirely optional and made with after-tax dollars, meaning you can opt out at any time without affecting your employment.
What is a payroll savings bond deduction?
A payroll savings bond deduction is money taken from your paycheck after taxes to automatically purchase U.S. Series EE or I savings bonds. The minimum purchase is $25 per bond, and you can buy up to $10,000 in electronic bonds per year through payroll deduction.
What is a post-tax disability insurance deduction?
A post-tax disability insurance deduction is premium paid with after-tax dollars for coverage that replaces 60-70% of your income if you become unable to work. Since you pay premiums with taxed money, any benefits you receive are completely tax-free, unlike pre-tax disability coverage.
What is a Roth 401(k) and how does it affect my paycheck?
A Roth 401(k) is a retirement account funded with after-tax dollars, meaning contributions reduce your paycheck dollar-for-dollar. If you contribute $200 per paycheck to a Roth 401(k), your take-home pay drops by the full $200, unlike a traditional 401(k) where tax savings reduce the actual impact to about $140-160.
What is a wage garnishment and how does it affect my paycheck?
Wage garnishment is a court-ordered deduction from your paycheck to pay debts like unpaid taxes, child support, or judgments. Federal law limits most garnishments to 25% of disposable income, but child support can take up to 50-60% depending on your situation.