Kentucky Invoice is an electronic document used to record transactions between businesses operating in the state of Kentucky. It is used to record the sale of goods or services between the seller and the buyer. It typically includes details of the purchase such as the date of the transaction, the amount of the purchase, and the name and address of both parties. Kentucky Invoice is a legal document required for tax filing purposes and must be retained as evidence of the transaction. There are two main types of Kentucky Invoice: Sales and Use Tax Invoice and Withholding Tax Invoice. The Sales and Use Tax Invoice is used to record the sale of goods and services and the Withholding Tax Invoice is used to record the withholding of taxes from employee wages.