Wednesday's hearing stems from an investigation of the credit card industry completed in September by the Government Accountability Office (GAO), the auditing arm of Congress.
Over a score of federal institutions, including the Cartel Office (Berlin) and the Auditing Court (Frankfurt), have been prodded into abandoning their current homes for the Rhine.
The China division of auditing and consulting company Deloitte Touche Tohmatsu Ltd. last September offered a "virtual office tour" on its career page on Sina Corp.