diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..b6cc24f51730cb2e31d4bd03b7903ba20750aca4
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,5 @@
+Assay Name,Date,Trait,Value
+JHI-11-1-1,2024-09-04T16:22:32+0100,FlwCol_E_1to3,yellow
+JHI-11-1-1,2024-09-04T16:22:32+0100,PlntAlv_M_pcs,42
+JHI-13-1-2,2024-09-04T16:22:35+0100,FlwCol_E_1to3,purple
+JHI-13-1-2,2024-09-04T16:22:35+0100,PlntAlv_M_pcs,24
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index 76da12d57a09b9a223bca78ce611c110ae467b36..88b3c68809bdc2cf9395351783533f857a2d5731 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ