With 140, 000 people in 2008, it operates as a quasi-silo, and handles IT-intensive administrative consulting for companies and government agencies, like customer service and payroll accounting.

FORBES: HP Beats Expectations; Cuts Underperforming Acquisitions

In 1999, Ms. Adams discovered there was a problem with payroll tax accounting and payments with respect to GTI.

FORBES: Bishop Corletta Vaughn, Chief Apostle, Held Personally Responsible for Ministry's Payroll Withholding

Ms. Adams was to oversee the payroll and accounting functions of GTI and eventually pay off any outstanding tax liabilities.

FORBES: Bishop Corletta Vaughn, Chief Apostle, Held Personally Responsible for Ministry's Payroll Withholding

Narinder Sandhu and Pankaj Shukla, who left jobs developing payroll and accounting software for Intuit to build the Depreciate'em Web tool, think so.

FORBES: Magazine Article

Narinder Sandhu and Pankaj Shukla, who left jobs developing payroll and accounting software for Intuit (nasdaq: INTU - news - people ) to build the Depreciate'em Web tool, think so.

FORBES: Depreciate It

Their systems will do this work along with payroll, shipping and accounting.

FORBES: Too little and probably too late

The pattern began in the 1950s, when hugely expensive mainframe computers were first used to save correspondingly huge sums in information-intensive functions in the financial-services industry, then in accounting, payroll and inventory-control tasks in other big organisations.

ECONOMIST: Economics focus

Experts say other whistleblowers are waiting for what they hope are imminent payments on large issues as varied as payroll tax withholding, tax shelters, illicit foreign accounts or arcane corporate accounting matters like transfer pricing.

WSJ: Taxes: How To Turn In Your Neighbor to the IRS