Language teachers at any level can upload (Upload) their diploma, bachelor’s or postgraduate certificate, which certifies their profession in language teaching. It does not matter which institution you graduated from, or in which country, or in which sector you work, nor what language you teach.
It is simply important for the world to know of the existence of your document. The way you can also present your document when you apply for a local, national or international job. In this way, it will be understood that your document is not only legal, but also visible internationally.
If you are a teacher of your native language and you have a document certifies it, here you can show it and make it internationally verifiable.