Print BND provides electronic clearing of checks and return items. Use BND to receive Federal Reserve Bank cash letter files. Forms Image Cash Letter Service Agreement (PDF)Cash Letter Adjustments (PDF) To ensure proper functionality, BND forms MUST be downloaded and then opened with your system’s PDF application. Click here for download instructions. If you are not able to access a PDF, please contact us for assistance. If you have questions, contact us or call (701) 328- 5645.