Question: What is the 1099 filing address for Kansas?   Answer: Sign, date and mail your Form KW-3 (KANSAS ANNUAL WITHHOLDING TAX RETURN), along with the state copy of the Wage and Tax Statement (Form W-2) and any applicable federal 1099 forms to: Withholding Tax, Kansas Department of Revenue, 915 SW Harrison St., Topeka, Kansas 66612-1588.   Read more…