What should I write on the instructions for the use of coupons?

1. This coupon can be used once and cannot be exchanged for cash without change;

2. This coupon is valid from the date of the month to the date of the month;

3. This coupon can participate in the company's activities;

4. This coupon is not applicable to any single business;

5. This coupon is valid only if it is stamped with the official seal of the company;

6. The right to interpret this coupon belongs to the Company.

The specific operation depends on what purpose this coupon is used for, and then modify it.