laua vs. 9.0 Data Security

Anybody have any ideas on this?  In laua security, we had the system code AC for Data Security tied down to specific activities for specific security classes. For example, activity 41279901 was secured using the combination of "company/activity group range", "company/activity range" and "security code/activity range". This would have looked like this:

From Company      To Company         From Process Level       To Process Level             Access Level

              1*                           1*                   41279901**                         41279901**                   All Functions

              1*                            1*                  41200#                                  41200#                          All Functions

             7068##                7068##           41279901**                          41279901                     All Functions     

*Company, **Activity, #Activity Group, ##Security Code

Now, how do we accomplish this in 9.0 Security?  We know it's on the Elements and the Element Groups but what's the combination?   Even Lawson doesn't  seem to know.  The closest we have so far is by securing the ACACTIVITY and ACBILL files, using Elements and Element Groups.  That all works except the drop down doesn't list all of the available activities.  Anybody have any ideas?  It will be most appreciated.