The business license should be hung in a prominent place in the shop.
Tips
history
Issued historically by the 工商局 (Administration for Industry and Commerce, merged into the 市场监督管理总局 / SAMR in 2018). Since 2015's "三证合一" reform, the license also encodes the tax-registration and organization-code numbers in a single "统一社会信用代码".
