diff --git a/tg2/core/testdata/testdata_VALIDATION_YEAR_EMPTY.csv b/tg2/core/testdata/testdata_VALIDATION_YEAR_EMPTY.csv
new file mode 100644
index 00000000..5574e6a1
--- /dev/null
+++ b/tg2/core/testdata/testdata_VALIDATION_YEAR_EMPTY.csv
@@ -0,0 +1,14 @@
+"dwc:year","Response.Status","Response.Result","Response.Comment"
+"1800","RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+"1","RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+"year","RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+1,"RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+1800,"RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+0,"RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+"0","RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+" 1900 ","RUN_HAS_RESULT","COMPLIANT","[any human readable explanation, e.g. year contains some value.]"
+"","RUN_HAS_RESULT","NOT_COMPLIANT","[any human readable explanation, e.g. year is empty]"
+,"RUN_HAS_RESULT","NOT_COMPLIANT","[any human readable explanation, e.g. year is empty]"
+" ","RUN_HAS_RESULT","NOT_COMPLIANT","[any human readable explanation, e.g. year is empty, provided value consists only of whitespace]"
+"  ","RUN_HAS_RESULT","NOT_COMPLIANT","[any human readable explanation, e.g. year is empty, provided value consists of only whitespace]"
+"	","RUN_HAS_RESULT","NOT_COMPLIANT","[any human readable explanation, e.g. year is empty, provided value consists only of whitespace only whitespace]"