Which certificate brands support verification via attorney letter?

The following brands support completing organization verification using the attorney letter method:

1. Sectigo, sslTrus
2. GlobalSign

Note: When selecting the attorney letter verification method, you must use the attorney letter template provided by the CA for verification; templates provided by customers themselves are not accepted. The attorney must be registered with the local bar association and hold a valid practicing license, and the CA will verify the contact information of the attorney and the law firm.