Settings > Settings Window - Company > Settings Window - Company > Information > Change Your Company's Fiscal Year End Date
                                
                                Change Your Company's Fiscal Year End Date
To change your company's fiscal year end date:
- In the Home window on the Setup menu, choose Settings.
 - On the left side of the window, click Company, and then Information.
 - Type in the date of the last day of your fiscal year in the Fiscal End box.
 - Click OK.