The Electronic Verification System (eVS) enables parcel mailers to submit documentation and pay postage by transmitting electronic manifest files to the eVS database, which is part of the PostalOne! system. Because eVS integrates with other systems and business processes for data collection and performance measurement, eVS makes it easy for customers to prepare and induct parcel mailings, streamlining their internal business

processes as well as those with the Postal Service.

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