Whether you're seeking certified translation services in New York City or elsewhere in the country, our team is ready to assist you whenever needed. Affidavit translation service in over 150 languages.This form is filed with the Court after the service is done. This form is called an Affidavit of Service. A translation affidavit contains a translator's sworn statement attesting to their abilities and the translated document's accuracy. Both copies will be required in court.