The concept of `开票` is deeply tied to China's tax administration system and the ubiquitous `发票 (fāpiào)`. This is a major point of difference from Western business practices. In the West, a “receipt” is primarily for the customer—proof of purchase for returns or personal budgeting. An “invoice” is a request for payment. A Chinese `fāpiào` is something different: it's a government-enforced tool to combat tax evasion. By requiring businesses to `开票` through a state-controlled system for every transaction, the government can track sales and ensure taxes are paid. This creates a unique social dynamic. Customers are incentivized to ask for a `fāpiào` because they often need it for reimbursement (报销 - bàoxiāo). This, in turn, forces the business to report the income. In the past, to further encourage this, some physical `fāpiào` even had a scratch-off lottery section where you could win a small amount of money. This system makes every consumer a quasi-tax-inspector, highlighting a cultural approach where social behavior is structured to ensure regulatory compliance. For a foreigner, failing to understand the importance of `开票` can lead to being unable to claim legitimate business expenses, a major practical and financial headache.
`开票` is a term you will encounter constantly in formal transaction settings.