DEFINITION of 'Invoice'. A commercial document that itemizes a transaction between a buyer and a seller. An invoice will usually include the quantity of purchase, price of goods and/or services, date, parties involved, unique invoice number, and tax information.If goods or services were purchased on credit, the invoice will usually specify the terms of the deal, and provide information on the available methods of payment.n invoice will usually include the quantity of purchase, price of goods and/or services, date, parties involved, unique invoice number, and tax information.
Gambling losses are deducted on Schedule A as a miscellaneous deduction and are not subject to a 2% limit. This means that you can deduct all losses up to the amount of your winnings, not just the amount over 2% of your adjusted gross income.
You must report all gambling winnings on your Form 1040 (PDF) as Other Income (line 21), including winnings that are not subject to withholding. In addition, you may be required to pay an estimated tax on your gambling winnings.t is important to keep an accurate diary or similar record of your gambling winnings and losses. To deduct your losses, you must be able to provide receipts, tickets, statements or other records that show the amount of both your winnings and losses.