Workflow distribution list with multiple groups - JDE E1

Hi ,

Can standard Workflow distribution list be set up to have multiple groups inside one distribution list. e.g I have distribution list 6001  (division manager)  that has a division manager with 500K plus approval requirement, 7001  (regional manager) with 1million plus approval requirement.

Can I specify a distribution list 5001  that level 1 as the location managers and level 2 as 6001 ( division manager distribution list)  and level 3 as 7001  (regional manager distribution list.)

Need to define a distribution list in a distribution list for easy maintenance in case person responsible changes.  Company has 100 locations each with different level 1 but with a lot lesser number of level 2 and level 3.   So I had only 4 level 3 definitions as four regions then if a regional manager changes,  need to change there only.  Otherwise have to create 100 distribution lists with one for  each location and make changes in all of them for a regional manager change.