Mark the date of purchase, the customer's name and telephone number, the code, gram weight, unit price and total price of the gold jewelry, and affix the official seal of the jewelry store. After buying gold jewelry, the bill issued must contain the following contents in order to be standardized.

1. The purchase date, customer's name and telephone number will be marked on the special jewelry bills of various brands and jewelry stores.

2. The code, gram weight, unit price and total price of the purchased gold jewelry will be clearly marked.

The official seal of this jewelry store will be stamped on the bill.