03/21/2011 09:55 am ET Updated May 25, 2011

Accountants, Businesses Say State Tax Computer System Wrought With Errors

The Colorado Department of Revenue's new computer system has been effective since parts of it have been rolled out over the past several years.

But effective at what depends on who is doing the talking.

To department officials, the new Colorado Integrated Tax Architecture has caught numerous errors in individual and business filings that have helped the state capture millions of dollars in unpaid taxes.