Certificates secure your professional advancement. Therefore, there is a right to grant a certificate. This certificate must be formulated benevolently and be truthful at the same time. This is not always easy. Just when you broke up in dispute, the certificate may contain information which is detrimental to employees. Therefore, there is a secret testimony language that you need to know in order to determine whether your testimony really certifies you a good performance. We therefore formulate certificates and check your testimony.
