Indiana Income Tax
General administration:
Department of Revenue
Withholding Tax Section
P.O. Box 7221
Indianapolis, IN 46207-7221
317-232-2240
Request identification number by filing Form BT-1 (Business Tax Application):
Department of Revenue
System Services
PO Box 6197
Indianapolis, IN 46206-6197
317-486-5518
Form BT-1 may also be completed online at http://www.in.gov/dor/.
Register for electronic funds transfer (required if current or prior year average monthly withholding liability in excess of $5,000) by filing Form EFT-1 (Authorization Agreement Form for Electronic Funds Transfer):
Department of Revenue
EFT Section, Room N248
100 North Senate Avenue
Indianapolis, IN 46204-2253
Deposit and report monthly withholdings by filing Form WH-1 (Withholding Tax Voucher) by 20th day of following month;
Furnish annual summary statements of wages paid and taxes withheld to employees on Form WH-18 (Miscellaneous Withholding Tax Statement for Nonresidents) or Form W-2 (Wage and Tax Statement) by January 31 and to state on Form WH-3 (Annual Withholding Tax Reconciliation Return) by last day of February;
Report annual non-employee compensation in excess of $600 with taxes withheld by filing Form WH-3 (Annual Withholding Tax Reconciliation Return) and Forms WH-18 or 1099 by last day of February:
Department of Revenue
PO Box 6108
Indianapolis, IN 46206-6108