diff --git a/src/SOL005/NSPerformanceManagement/definitions/SOL005NSPerfomananceManagement_def.yaml b/src/SOL005/NSPerformanceManagement/definitions/SOL005NSPerfomananceManagement_def.yaml
index 9bca92750fde07ab9b0dea96b43b0fd3e9f32834..5e0d8c1df364d3c5857c754b136e209f55c8f0ea 100644
--- a/src/SOL005/NSPerformanceManagement/definitions/SOL005NSPerfomananceManagement_def.yaml
+++ b/src/SOL005/NSPerformanceManagement/definitions/SOL005NSPerfomananceManagement_def.yaml
@@ -60,7 +60,8 @@ definitions:
           within one reporting period are reported together.    
           In particular when choosing short collection and reporting periods, the number of PM jobs that can be
           supported depends on the capability of the producing entity.
-        type: UnsignedInt
+        type: integer
+        minimum: 0
         default: 0       
       reportingPeriod:
         description: >
@@ -73,7 +74,8 @@ definitions:
           within one reporting period are reported together.    
           In particular when choosing short collection and reporting periods, the number of PM jobs that can be
           supported depends on the capability of the producing entity.          
-        type: UnsignedInt
+        type: integer
+        minimum: 0
         default: 0        
       reportingBoundary:
         description: >