General parameters > Chapter Inventory > Parameter AVGWRKDAY (Average work days per month) 

Use this parameter to define the average number of days your organization works in a calendar month. 

 The value must be less than 30.

Level of localization/Global variable

This parameter is defined at the level Site.It belongs to Chapter STO (Inventory) and the Group SCH (Planning),The following parameters are also associated with this chapter and group :

No global variable is associated with it.

Comments

This parameter is used when reordering independently of the Material Requirements Planning (MRP) process. It is used when calculating stock levels such as safety stock, maximum stock and the reorder threshold.