Offices often demand translation of the official documents, that are necessary for procedures. Such documents are certifications, birth certifications, statements, declarations, testaments. For such translations we should visit sworn translators who are entitled to certify such documents. There is also a possibility of certification a translation made by other person.
Do not hesitate to use services of sworn translators when it is necessary. It is advisable to visit the website of the Ministry of Justice where is the official list of sworn translators in Poland.