This publication explains how individuals claim a deduction for charitable contributions. 1) Make sure your contribution is tax-deductible.When you itemize your tax deductions on your return, you can take an income tax deduction for a donation to a 501(c)(3) charitable organization. Use Schedule A (Form 1040) to figure your itemized deductions. But to qualify for the full tax break on charitable donations, taxpayers must itemize their deductions on their tax returns. But to qualify for the full tax break on charitable donations, taxpayers must itemize their deductions on their tax returns. If your gross income is greater than the amount of your standard deduction determined in the work- sheet, you must file a Minnesota income tax return. It would allow those who take the standard deduction to deduct some charitable donations starting next year, when they file their 2023 taxes. File your Minnesota income tax return. All tax brackets are supported.