The Contractor must: • Print and mail approximately 10,000 to 20,000 invoices per week, with up to 20,000 invoices during the busy season (May to September), with invoices processed and mailed twice a week on Wednesdays and Fridays. • Receive electronic data files from Port or third party by remote means and process the data to generate printed invoices. • Provide materials, including Port-approved invoice stock and envelopes. • Perform printing, folding, inserting, and mail processing services. • Design, print, store, and insert informational inserts as requested by the Port. • Ensure compatibility with the Port’s invoicing file format, allowing the Contractor to easily process and print invoices. • Coordinate any design or layout changes with the Port and ensure approval before implementation. • Provide electronic PDF copies of all invoice submissions. • Optimize the mailing address database to minimize undeliverable mail and report how this will be achieved. • Designate a primary representative to address issues and questions from the Port. • Be responsive and available by phone and email during standard business hours.