Under Schedule A (Form 1040), certain expenses are explicitly not deductible or are limited by law. In addition, amounts that are deductible elsewhere on the return (such as on Schedule 1 or Schedules C, E, or F) cannot be claimed again as itemized deductions.
Non-Deductible Expenses
- Political contributions — These are never deductible.
- Travel expenses for volunteer work — Including meals and lodging, unless there is no personal pleasure, recreation, or vacation element.
- Dues, fees, or bills to country clubs, lodges, fraternal orders, or similar groups — Unless the contribution is exclusively for religious, charitable, scientific, literary, or educational purposes.
- Cost of raffle, bingo, or lottery tickets — Except when deducted as gambling losses (subject to limitations).
- Value of your time or services — No deduction is allowed for volunteer time.
- Value of blood given to a blood bank — Not deductible.
- Gifts to foreign organizations — Except for certain U.S. organizations that transfer funds to foreign charities or specific Canadian, Israeli, and Mexican charities (see Pub. 526).
- Gifts to organizations engaged in political activities — If directly financially beneficial to your trade or business.
- Gifts to groups that lobby for law changes — Not deductible.
- Gifts to civic leagues, social and sports clubs, labor unions, or chambers of commerce — Not deductible.
- Value of benefits received in connection with a charitable contribution — Must be subtracted from the deduction amount.
- Cost of tuition — Not deductible as a charitable contribution.
- Certain contributions in exchange for a state or local tax credit — These are not deductible (see Pub. 526).
- Amounts paid for athletic event tickets at colleges/universities — If paid in exchange for ticket rights.
Additional Restrictions
- Miscellaneous itemized deductions subject to the 2% AGI floor: Suspended for tax years 2018 through 2025 under current law
- Duplicate deductions : Expenses claimed elsewhere on the return cannot be deducted again on Schedule A.
- Standard vs. itemized rule — If you claim the standard deduction, you cannot claim itemized deductions.
Source:
Schedule A (Form 1040) Instructions - 2025
Schedule A (Form 1040-NR) Instructions - 2025
Disclaimer: Always verify with the current Federal or State Department of Revenue Forms and Instructions. This guidance is general and may not apply to your specific situation. For complex tax matters, consult a CPA or tax attorney.