diff --git a/src/main/java/info/bukova/isspst/services/requirement/RequirementBaseServiceImpl.java b/src/main/java/info/bukova/isspst/services/requirement/RequirementBaseServiceImpl.java
index d4ade762..12158718 100644
--- a/src/main/java/info/bukova/isspst/services/requirement/RequirementBaseServiceImpl.java
+++ b/src/main/java/info/bukova/isspst/services/requirement/RequirementBaseServiceImpl.java
@@ -45,7 +45,18 @@ public abstract class RequirementBaseServiceImpl<T extends RequirementBase> exte
 
 	@Override
 	@Transactional
+	@PreAuthorize("hasPermission(this, 'PERM_ADD')")
 	public void add(T entity) {
+		Workgroup reqWorkgroup = null;
+		for (Workgroup w : workgroupService.getUserWorkgroups(getLoggedInUser())) {
+			if (workgroupService.getMembers(entity.getCentre()).contains(w)) {
+				reqWorkgroup = w;
+			}
+		}
+		
+		entity.setWorkgroup(reqWorkgroup);
+		entity.setNumser(this.getNumberSerie());
+		
 		super.add(entity);
 		
 		this.sendToApprovers(entity);
diff --git a/src/main/java/info/bukova/isspst/services/requirement/RequirementServiceImpl.java b/src/main/java/info/bukova/isspst/services/requirement/RequirementServiceImpl.java
index dbb0c5f9..32a5e245 100644
--- a/src/main/java/info/bukova/isspst/services/requirement/RequirementServiceImpl.java
+++ b/src/main/java/info/bukova/isspst/services/requirement/RequirementServiceImpl.java
@@ -33,7 +33,6 @@ public class RequirementServiceImpl extends
 	@Transactional
 	@PreAuthorize("hasPermission(this, 'PERM_ADD')")
 	public void add(Requirement entity) {
-		entity.setNumser(this.getNumberSerie());
 		super.add(entity);
 	}
 }
diff --git a/src/main/java/info/bukova/isspst/services/requirement/TripRequirementServiceImpl.java b/src/main/java/info/bukova/isspst/services/requirement/TripRequirementServiceImpl.java
index e13f6c72..2f001ca3 100644
--- a/src/main/java/info/bukova/isspst/services/requirement/TripRequirementServiceImpl.java
+++ b/src/main/java/info/bukova/isspst/services/requirement/TripRequirementServiceImpl.java
@@ -3,7 +3,6 @@ package info.bukova.isspst.services.requirement;
 import info.bukova.isspst.Constants;
 import info.bukova.isspst.data.RequirementState;
 import info.bukova.isspst.data.TripRequirement;
-import info.bukova.isspst.data.Workgroup;
 import info.bukova.isspst.services.LazyLoader;
 import info.bukova.isspst.services.workgroups.WorkgroupService;
 
@@ -36,14 +35,6 @@ public class TripRequirementServiceImpl extends RequirementBaseServiceImpl<TripR
 	@Transactional
 	@PreAuthorize("hasPermission(this, 'PERM_ADD')")
 	public void add(TripRequirement entity) {
-		Workgroup reqWorkgroup = null;
-		for (Workgroup w : workgroupService.getUserWorkgroups(getLoggedInUser())) {
-			if (workgroupService.getMembers(entity.getCentre()).contains(w)) {
-				reqWorkgroup = w;
-			}
-		}
-		entity.setWorkgroup(reqWorkgroup);
-		entity.setNumser(getNumberSerie());
 		super.add(entity);
 	}