+ 4. POEMA - FIRSTOSP (Case 1: First user invitation)
+ 4. POEMA - NEWOSP (Case 2: New PO published)
+ 4. POEMA - MAJOR (Case 3: Update on important fields)
+ 4. POEMA - MINOR (Case 4: PO update on less important fields)
+ 4. POEMA - MIXED (Case 5: PO update with mixed changes)
+ 4. POEMA - NEWUSER (Case 6: PO update with change of e-mail addressee only)
- 4. POEMA - ACCEPTED (Case 7: Customer accepted a supplier change)
- 4. POEMA - REJECTED (Case 8: Customer rejected a supplier change)
- 4. POEMA - ABOUTUSER (E-Mail notifications to supplier in case of new addressee)
+ 4. POEMA - INACTIVE (E-Mail notification to customer in case of addressed supplier user is deactivated)
- 4. POEMA - INVALID (E-Mail notification to customer in case of invalid e-mail address(es))
? 4. POEMA - New / Modified