Effective immediately, Management Instruction PO–610-2007-1, Piece Count Recording System, replaces Management Instruction PO-610-2000-1. All previous instructions on Piece Count Recording Systems are now obsolete.
No changes were made to any PS forms or reports used to measure and record mail volumes. Additionally, Management Instruction PO-610-2002-3, Function 4 Standardized Customer Service Workload Reporting System, remains fully in effect.
— Delivery Operations, Delivery and Retail, 9-27-07