If you have additional questions, please contact us.
Kleinrock research-only subscribers should contact CCH customer service at 1-800-449-6451.

ATX users should contact ATX customer service at 1-800-638-8291, and TaxWise customers should contact TaxWise customer service at 1-866-641-9473.

You can also visit the CCH customer support web site at Support.CCH.com.
CCH Support