COST Membership

Contact Us

Need more information? help@cost.org or (202) 484-5222

2014 COST Programs Calendar

All of COST's 2014 National Programs are confirmed. Check out the dates and locations.

forums

The COST Forums are a member-only online information networking system tailored to meet the information and communication needs of corporate state tax professionals in an easy, at your finger tips manner.  Forums provide an opportunity for members to share and discuss discrete state tax issues interactively online.