diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..b80caf30a2430ba0f9ff6cdd4237cd43ac25a3ca
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,5 @@
+Assay Name,Date,Trait,Value
+JHI-11-1-1,2024-09-04T11:27:53+0100,FlwCol_E_1to3,yellow
+JHI-11-1-1,2024-09-04T11:27:53+0100,PlntAlv_M_pcs,42
+JHI-13-1-2,2024-09-04T11:27:58+0100,FlwCol_E_1to3,purple
+JHI-13-1-2,2024-09-04T11:27:58+0100,PlntAlv_M_pcs,123
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index 309a13b66999571baf74786db5901b44ef399d82..8440efa6f947a081e89a8d55c2a8771e70caff6c 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ