diff --git a/OneM2M_Types.ttcn b/OneM2M_Types.ttcn
index 9bc472f6a4f021301a66232154475f49122ca07a..cb34982d019ebb2de10f233a81e571e9220371c9 100644
--- a/OneM2M_Types.ttcn
+++ b/OneM2M_Types.ttcn
@@ -7853,6 +7853,7 @@ type record TimeSeries
 	XSD.NonNegativeInteger currentNrOfInstances,
 	XSD.NonNegativeInteger currentByteSize,
 	XSD.PositiveInteger periodicInterval optional,
+	XSD.NonNegativeInteger periodicIntervalDelta optional,
 	XSD.Boolean missingDataDetect optional,
 	XSD.PositiveInteger missingDataMaxNr optional,
 	MissingDataList missingDataList optional,
@@ -7904,6 +7905,7 @@ type record TimeSeriesAnnc
 	XSD.NonNegativeInteger currentNrOfInstances,
 	XSD.NonNegativeInteger currentByteSize,
 	XSD.PositiveInteger periodicInterval optional,
+	XSD.NonNegativeInteger periodicIntervalDelta,
 	XSD.PositiveInteger missingDataMaxNr optional,
 	MissingDataList missingDataList optional,
 	XSD.NonNegativeInteger missingDataCurrentNr optional,