1. The signing should be placed in the lower right corner of the stationery.

2. If you are writing to a company or organization, you need to add a colon after the name of the company or organization.

3. If you are writing to an individual, you need to write the name and address of the sender, but the company or organization does not need to add it.

4. If the specific date is mentioned in the letter, you need to indicate the date in the signature.

For example, if you want to write a letter complaining to the company, you can sign it as follows:

This is a

salute

XXX (your name)

XX, XXXX.