Specifications include, but are not limited to: A. Print and mail statements sent from customer in PDF format, OCR 10 scan line, mod-11 check digit calculation, and-or create custom letters/forms and-or statements based on a .csv file in accordance with County specifications. B. Change bill standard verbiage (not format) up to five (5) business days prior to mailing. C. Data files set-up to receive Advanced CIS Infinity and-or RevenueOne to be transmitted by the county department electronically via a secure delivery method. D. Print bills, past due notifications and supplemental bills, fold, stuff with up to two inserts, meter, seal, presort on zip and mail within 48 hours of receipt of approved electronic file. E. Retain record of document, including the ability to electronically access, view and print a copy of the actual bill mailed. This access shall be over the internet, and the Contractor shall limit access to this information to persons specifically identified by County Departments. The County uses a dedicated internet connection. Access should allow search by customer name, account number, and or customer address. F. Searchable images to the County in an electronic format. G. Provide certificate of security for data processed and data stored, including physical access, control access, encrypted storage and encryption during data transmission.