1. Before authorizing the use of credit cards, an authorization agreement should be signed to clarify the rights and obligations of both parties, as well as details such as authorization scope, use period and amount.

2. When authorizing the use of credit cards, you need to carefully choose the authorized object and choose a formal and reputable company. You can check the qualifications and credit records of the company to ensure that you have sufficient ability and integrity.

3. When authorizing the use of credit cards, it is necessary to limit the scope and amount of authorization to avoid abusing authorization or exceeding the expected expenditure.

4. When authorizing the use of credit cards, it is necessary to check the credit card bills and transaction records regularly to ensure the safety and legality of authorized use.