diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..640893f7a97dc8806f73739ca55cf4dcac6b37ff
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,3 @@
+Assay Name,Date,Trait,Value
+JHI-13-1-2,2024-09-02T15:50:28+0100,FlwCol_E_1to3,purple
+JHI-13-1-2,2024-09-02T15:50:28+0100,PlntAlv_M_pcs,3
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index 215f382d1e8010a9ad20cb33c673fd8f97a55d00..6693a273767f354ad43dbd00e7008c49bbc7fa30 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ