General parameters > Chapter Localisations > Parameter SWICUSBVR (Swiss ISR usage sales) 

Set this parameter to Yes to create ISR reference numbers in sales invoices. This is set at the site level for Swiss (SWI) legislation.
See the Swiss legislation guide on the How to tab for a comprehensive overview of setting up and using ISR reference numbers.

Level of localization/Global variable

This parameter is defined at the level Site.It belongs to Chapter LOC (Localisations) and the Group SWI (Switzerland),The following parameters are also associated with this chapter and group :

No global variable is associated with it.

Activity codes

The following activity codes (sorted by type) are associated with the parameter :

 KSW : Swiss localization