Sworn translator
To use an official Ukrainian document in Spain, this document must be apostilled, translated by a sworn translator, and certified by the consular section of the Spanish embassy in Ukraine.
Sworn (court) translator is a person authorized to certify his own translations and attend official events as an interpreter. Sworn translator is also authorized to certify copies of documents he translated.
Please note, that if a document cannot be apostilled for whatever reason, it may be translated by a sworn translator and certified by the embassy.