The investigations include specific IRS Information Document Requests that range from cash sales to competitors to bank statements.

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Whatever is collected beyond that is dropped into a vault at the end of their shift and later transported to a bank. (For reasons of security, the Port Authority will not disclose the name of the bank or the amount of money dropped into the vault.) Beyond simply collecting cash, toll collectors are required to document every non-E-ZPass customer by pressing relevant buttons on their monitor.

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That package includes online e-mail, word processing, spreadsheets and document sharing, much like Microsoft's cash cow Office suite.

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