Sweepstakes taxes refer to the income tax obligations that winners must fulfill when they receive prizes from sweepstakes. These taxes can significantly impact the total value of the winnings, as the IRS considers sweepstakes prizes as taxable income. Winners should be aware of the sweepstakes taxes they may owe and may need to set aside a portion of their prize to cover these liabilities, ensuring they remain compliant with tax regulations. Proper planning can help mitigate the financial impact of sweepstakes taxes on newfound wealth.