Define Booking Unit

Hi,

i'm looking for more information about the field JJTBE-BEGRP_STAT (BU Grouping for Statistics).

I'd like to use this attribute to identify a specif Booking Unit. In particular i will to set new value in check table (TJJ67).

Do you know wich standard process uses the "BU Grouping for Statistics"?

Thank to all.

Giancarlo