No special actions are required for translations other than what USCIS has specified.
All documents must have a complete English translation to establish eligibility. You submitted documents which are in a language other than English. In order for USCIS to consider this evidence, you must submit English language translations for each document. The translator must certify that:
1.) the translations are accurate and complete; and
2.) he or she is competent to translate from the foreign language into English.
Financial records may need to be "audited" by a qualified accountant (CPA). It depends on what types of documents are involved.