activity if appropriate. Refer to NAVSO P-3013-2Summary Filled Order/Expenditure/for a complete step-by-step description of theDifference Listingreview and processing of operation andmaintenance transactions concerning the AgedThe Summary Filled Order/Expenditure/Unfilled Order Listing.Difference Listing (fig. 3-9) is submitted monthlyFigure 3-9.Summary Filled Order/Expenditure/Difference Listing before processing by OPTAR holder.3-16