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Explanation: This is the name for a company-intern security policy and might be meant here: all data flow to the headquarters or to a selected unit and there is no "horizontal" interchange of information. By the same, the different units (who might be dealing with the same clients) are separated from each other, by this Chinese wall.
Eva Blanar Hungary Local time: 07:00 Specializes in field Native speaker of: Hungarian PRO pts in category: 7
Explanation: If you feel that the term block alone is not sufficient you may wish to write the above. It would appear that an experienced accountant would have no trouble with the simpler term "block", however.
R. A. Stegemann Saudi Arabia Local time: 15:00 Native speaker of: English PRO pts in category: 16