>Hi All,
>
>We're developing a multilanguage application. Cashier give you a paper about what do you buy at supermarkets. What is this words name? Our employees put "Fiche", I think it should be receipt or bill. What's the correct word?

Bill is the same as an invoice. Receipt is the paper which confirms that you have actually paid the invoice. A receipt can be a separate paper or it can look just like an invoice, but have the word Paid written on it. So Receipt is the right word to use in this case.