diff --git a/jira/jira-search/is_empty.sh b/jira/jira-search/is_empty.sh
new file mode 100644
index 0000000..fe6e9d1
--- /dev/null
+++ b/jira/jira-search/is_empty.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+
+## -----------------------------------------------------------------------
+## Intent: Detect if the --{labels,required}-is-empty switch is valid
+## -----------------------------------------------------------------------
+function is_switch_valid__is_empty()
+{
+    local raw="$1"; shift # --{foo}-is-empty
+
+    declare -a valid=()
+    valid+=('label')
+    valid+=('resolved')
+
+    # --required-is-empty       => required
+    local val="$raw"
+    val="${val:2}"               # remove prefix --
+    val="${val%-is-empty}"       # remove suffix token-name
+
+    if [[ " ${valid[@]} " =~ " ${val} " ]]; then
+        is_empty+=("$val")
+    else
+        error "Detected invalid --is-empty switch [$arg]"
+    fi
+    
+    return
+}
+
+: # ($?=0) for source $include
+
+# [EOF]