diff --git a/testinput_tier_1/function_TimeOffsetFromDateTime.nc4 b/testinput_tier_1/function_TimeOffsetFromDateTime.nc4
new file mode 100644
index 00000000..6e1ccf76
--- /dev/null
+++ b/testinput_tier_1/function_TimeOffsetFromDateTime.nc4
@@ -0,0 +1,3 @@
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