Where to Mail Indiana Tax Forms and Information: Ways to Make Federal Payments Where to Mail Federal Forms Ways to Make Indiana Payments Where to Mail Indiana Forms REFUNDS & AMENDED:INDIANA DEPARTMENT OF REVENUEPO BOX 40INDIANAPOLIS, IN 46206-0040 ESTIMATED PAYMENTS:INDIANA DEPARTMENT OF REVENUEPO BOX 7225INDIANAPOLIS, IN 46207-7225 BALANCE DUEE-FILE AND PAPER PAYMENTS:INDIANA DEPARTMENT OF REVENUEPO BOX 7224INDIANAPOLIS, IN 46207-7224 ELDERLY CREDIT:INDIANA DEPARTMENT OF REVENUEPO BOX 6103INDIANAPOLIS, IN 46206-6103 BUSINESS RETURNS:INDIANA DEPARTMENT OF REVENUEPO BOX 7147INDIANAPOLIS, IN 46207-7147 Go Back to Filings and Payments