When you close an inventory period, you cannot post any changes to inventory value, either expected or invoiced, before this ending date, and you cannot post any new values to inventory before the ending date.
An inventory period is defined by the date on which it ends, or the ending date. Specifies a period of time in which you can post changes to inventory value. The online Help definition for Inventory Periods in Dynamics NAV 2013: They provide for a diagnostic report when trying to close an inventory period.They are one factor in setting the “Allow Posting Dates” for closed period entries when running Adjust Cost-Item Entries (see Adjust Cost – Item Entries Program and Prior Period Adjustments in NAV).They preclude inventory Value Changes in a Closed Inventory Period.Inventory Periods are used in Dynamics NAV for a variety of purposes: Using Inventory Periods in Microsoft Dynamics NAV 2013
