The following file(s) require Adobe Acrobat Reader. If you cannot open these files, please visit www.adobe.com to download and install Reader.The following links provide you with instructions for filing your Form W-2 information to the City of Cincinnati on magnetic media using the MMREF-1 format (for tax years 2004 through 2006), and the EFW2 format (for tax year 2007). As of 2006, you may file your annual Wage Reconciliation electronically.