diff --git a/src/org/kar/archidata/annotation/AnnotationTools.java b/src/org/kar/archidata/annotation/AnnotationTools.java
index 2e48310..36f6ac8 100644
--- a/src/org/kar/archidata/annotation/AnnotationTools.java
+++ b/src/org/kar/archidata/annotation/AnnotationTools.java
@@ -85,6 +85,14 @@ public class AnnotationTools {
 		return tmp;
 	}
 
+	public static CollectionItemNotNull getCollectionItemNotNull(final Field element) {
+		final Annotation[] annotation = element.getDeclaredAnnotationsByType(CollectionItemNotNull.class);
+		if (annotation.length == 0) {
+			return null;
+		}
+		return (CollectionItemNotNull) annotation[0];
+	}
+
 	public static boolean getSchemaReadOnly(final Field element) {
 		final Annotation[] annotation = element.getDeclaredAnnotationsByType(Schema.class);
 		if (annotation.length == 0) {
diff --git a/src/org/kar/archidata/annotation/CollectionItemNotNull.java b/src/org/kar/archidata/annotation/CollectionItemNotNull.java
new file mode 100644
index 0000000..9bd0347
--- /dev/null
+++ b/src/org/kar/archidata/annotation/CollectionItemNotNull.java
@@ -0,0 +1,12 @@
+package org.kar.archidata.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface CollectionItemNotNull {
+
+}
diff --git a/src/org/kar/archidata/dataAccess/options/CheckJPA.java b/src/org/kar/archidata/dataAccess/options/CheckJPA.java
index 7d1ff0e..732e335 100644
--- a/src/org/kar/archidata/dataAccess/options/CheckJPA.java
+++ b/src/org/kar/archidata/dataAccess/options/CheckJPA.java
@@ -14,6 +14,7 @@ import java.util.UUID;
 import java.util.regex.Pattern;
 
 import org.kar.archidata.annotation.AnnotationTools;
+import org.kar.archidata.annotation.CollectionItemNotNull;
 import org.kar.archidata.annotation.DataJson;
 import org.kar.archidata.dataAccess.DBAccess;
 import org.kar.archidata.dataAccess.DataAccess;
@@ -542,8 +543,34 @@ public class CheckJPA<T> implements CheckFunctionInterface {
 
 								} else {
 									checkerInstance.check(ioDb, baseName + '.' + fieldName, tmpData, null, options);
+				final CollectionItemNotNull collectionNotNull = AnnotationTools.getCollectionItemNotNull(field);
+				if (collectionNotNull != null) {
+					if (!Collection.class.isAssignableFrom(field.getType())) {
+						throw new DataAccessException(
+								"Request @CollectionItemNotNull on a non collection field: '" + fieldName + "'");
+					}
+					add(fieldName,
+							(
+									final DBAccess ioDb,
+									final String baseName,
+									final T data,
+									final List<String> modifiedValue,
+									final QueryOptions options) -> {
+								final Object tmpData = field.get(data);
+								if (tmpData == null) {
+									return;
 								}
 
+								final Collection<?> tmpCollection = (Collection<?>) tmpData;
+								final Object[] elements = tmpCollection.toArray();
+								for (int iii = 0; iii < elements.length; iii++) {
+									if (elements[iii] == null) {
+										throw new InputException(baseName + fieldName + '[' + iii + ']',
+												"This collection can not conatain NULL item");
+									}
+								}
+							});
+				}
 							});
 				}
 				// keep this is last ==> take more time...