Use this form to notify the IRS of a fiduciary relationship only if that relationship is with respect to a financial institution (such as a bank or a thrift).Current revisionForm 56-F PDFInstructions for Form 56-F (Print version PDF)Recent developmentsNone at this time.Other items you may find usefulAll Form 56-F revisionsAbout Form 56, Notice Concerning Fiduciary RelationshipOther current products