When completing your income taxes you will need to work with two collections of paper work, which are: Your banking statements and the CRA formsThe CRA forms and any personal financial documents that relate to what you are claiming in your taxes Your personal financial statements $($cash flow$/$budget and balance sheet$)$ and any personal financial documents that relate to what you are claiming in your taxes The CRA forms and your personal financial statements $($cash flow$/$budget and balance sheet$)$