The government and the tax agency itself are often in the dark as well.

From 1978 to 1984, employers reported $58.8 billion less to Social Security than they did to the tax agency.

The tax agency did not challenge the valuations, but rather the items themselves.

The tax agency has appealed, frustrating the family's travel plans.

The outcome of the effort, and the way the tax agency responds, could have an influence far beyond the state.

Looking for a few basics on the history and mission of the nation's tax agency?

The fear of the tax agency is so great that many would prefer to give it a wide berth.

The tax agency says it does not comment on specific cases.

The tax agency plans to make 20,000 calls to test the accuracy of information being provided by its employees over the telephone.

The outline of the agreement was announced by the tax agency in October 1993.