Few Operating units only showing not all in Supplier form

After creation of supplier site address we need assign that site for specific OUs,At the time only few of Operating units showing not all.Befor it is showing all but now iam facing problem. kindly give me solution on this.

Check the MO : Security rule profile option.
Only the OUs attached to the security rule 'll be shown in lov

Oracle Applications Fusion Cloud - Inventory

Oracle Cloud/Fusion Procurement training will help you develop the fundamental skills required to set up and use the Procurement module. This training covers all the tasks, setups, forms and reports used in Procurement and related modules