The employment or insurance benefits does not have to be certified..........you need or include a copy of the document.
If the document such as employment or insurance benefits is not in English or French........the document should be translated.
Translation of documents
You must send the following for any document that is not in English or French, unless otherwise stated on your document checklist:
the English or French translation; and
an affidavit from the person who completed the translation (see below for details); and