- International Mail Manual > 3 Extra Services > 390 Tracking Plus The Postal Service offers USPS Tracking Plus service for certain international products, allowing customers to request the Postal Service retain scan data, or scan and signature data, for certain pieces beyond the Postal Service’s standard data retention period, for up to 7 years. USPS Tracking Plus service is available for certain pieces sent via Priority Mail Express International service, Priority Mail International service, and single-piece First-Class Package International Service for which Electronic USPS Delivery Confirmation International service is available, and certain pieces for those services for which insurance has been purchased (not to include Global Express Guaranteed service). For pricing, see Notice 123, Price List. Customers may request USPS Tracking Plus service for certain pieces, when available, online at usps.com or through a Shipping Services File. | |