This post introduce you to receipt-related Japanese. A receipt has the seller company name, address, and phone number.
If you’re traveling for work and need a receipt for expense, ask for 領収書.
領収書 is simplified receipt with a blank line to be filled out with the customer's name (used specifically for claiming expenses); hand-written receipt
tax included in the price
VAT, consumption tax
An example and HOWTO read the receipt: