It is roughly as follows:

1. Title. There are generally no fixed requirements for the title. Generally, it is enough to write a letter of guarantee or a certain guarantee.

2. Guarantee content. The guarantee content usually states the reason for writing the guarantee letter. This is what the guarantee content is. For example, what is guaranteed to be done, for how long, to what extent, and what specific measures are taken to realize one's guarantee.

3. Ending and signature. Generally, after writing the content of the composition, you should end here to express your determination to complete the letter of guarantee. If you have achieved all the above guarantees, you can also use "Sincerely - Salute" and so on. It is a polite term. You can also mark the time in the lower right corner after the text.

The commitment letter means that the promisee fully agrees to the offeror's offer, usually in writing. For contracts that are required to be concluded in writing, the commitment must also be in writing.

As stipulated in Article 2-201 of Title II of the United States Uniform Commercial Code, any contract for the sale of goods with a price exceeding US$5,000. Unless otherwise provided in the Code, all contracts must be made in writing, otherwise they cannot be enforced by the court. In principle, the court does not accept oral evidence for such contracts in litigation.