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After you file

In most cases, no, you are not required to submit proof for the deductions you take on your tax return. If the IRS needs documentation, you will receive a letter with specific instructions.

However, you should keep all your receipts with a copy of your tax return for at least 7 years (the time limit for the IRS to review your return). You can scan these documents to store on a flash drive, if more convenient.

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