diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..1b61ca7196f39ef1b39b84e3106092d13b248855
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,5 @@
+Assay Name,Date,Trait,Value
+JHI-11-1-1,2024-09-04T16:04:05+0100,FlwCol_E_1to3,purple
+JHI-11-1-1,2024-09-04T16:04:05+0100,PlntAlv_M_pcs,42
+JHI-13-1-2,2024-09-04T16:04:09+0100,FlwCol_E_1to3,purple
+JHI-13-1-2,2024-09-04T16:04:09+0100,PlntAlv_M_pcs,15
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index f4679849a0c306023d4353c5470ed8137827a8a2..a371d19c2643fd87623710474494f45e1906a143 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ