diff --git a/src/main/java/info/bukova/isspst/ui/requirement/RequirementSubpage.java b/src/main/java/info/bukova/isspst/ui/requirement/RequirementSubpage.java
index bf6eee07..576ee5d5 100644
--- a/src/main/java/info/bukova/isspst/ui/requirement/RequirementSubpage.java
+++ b/src/main/java/info/bukova/isspst/ui/requirement/RequirementSubpage.java
@@ -9,22 +9,21 @@ import org.zkoss.bind.annotation.NotifyChange;
 
 public class RequirementSubpage<T extends RequirementBase> extends ListViewModel<T> {
 	
-	protected RequirementBaseService<T> reqService;
-	
 	@SuppressWarnings("unchecked")
-	public void init() {
-		reqService = (RequirementBaseService<T>) service;
+	private RequirementBaseService<T> getReqService()
+	{
+		return (RequirementBaseService<T>) service;
 	}
 
 	@Override
 	protected void loadLazyData(T data) {
-		reqService.loadAuthItems(data);
+		this.getReqService().loadAuthItems(data);
 	}
 	
 	@Command
 	@NotifyChange("dataBean")
 	public void approve() {
-		reqService.approve(getDataBean());
+		this.getReqService().approve(getDataBean());
 	}
 
 	@Override
@@ -35,11 +34,9 @@ public class RequirementSubpage<T extends RequirementBase> extends ListViewModel
 	
 	public boolean isCanApprove() {
 		if (getDataBean() != null) {
-			return reqService.canApprove(getDataBean());
+			return this.getReqService().canApprove(getDataBean());
 		}
 		
 		return false;
 	}
-	
-
 }
diff --git a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListAll.java b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListAll.java
index 0d1262ee..3d527af2 100644
--- a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListAll.java
+++ b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListAll.java
@@ -32,7 +32,6 @@ public class TripRequirementListAll extends RequirementSubpage<TripRequirement>
 		
 		allCentres = workgroupService.getCentres();
 		allWorkgroups = workgroupService.getWorkgroups();
-		super.init();
 	}
 
 	@Override
diff --git a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListCentre.java b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListCentre.java
index f8833c8a..2304a186 100644
--- a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListCentre.java
+++ b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListCentre.java
@@ -33,7 +33,6 @@ public class TripRequirementListCentre extends RequirementSubpage<TripRequiremen
 		dataFilter = new TripRequirementFilter(getFilterTemplate());
 		
 		myCentres = workgroupService.getUserCentres(userService.getCurrent());
-		super.init();
 	}
 
 	@Override
diff --git a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListWorkgroup.java b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListWorkgroup.java
index d744e0a1..5b5b9503 100644
--- a/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListWorkgroup.java
+++ b/src/main/java/info/bukova/isspst/ui/requirement/TripRequirementListWorkgroup.java
@@ -35,7 +35,6 @@ public class TripRequirementListWorkgroup extends RequirementSubpage<TripRequire
 		
 		myCentres = workgroupService.getUserCentres(userService.getCurrent());
 		myWorkgroups = workgroupService.getUserWorkgroups(userService.getCurrent());
-		super.init();
 	}
 
 	@Override