diff --git a/jira/jira-search/is_not/include.sh b/jira/jira-search/is_not/include.sh
new file mode 100644
index 0000000..0858b36
--- /dev/null
+++ b/jira/jira-search/is_not/include.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+
+## -----------------------------------------------------------------------
+## Intent: Parse command line switch, when *-not detected take action
+##   - remove substring '-not' modifier from switch name
+##   - set values in map %attrs=() to capture detection of NOT
+##   - switch value returned modified
+## Return:
+##   %attrs   ['not']=true
+## -----------------------------------------------------------------------
+function getopts_switch__not()
+{
+    local -n gsn_arg=$1 ; shift
+    declare -g -A attrs
+
+    case "$gsn_arg" in
+
+        # -[-not]
+        '--not')
+            attrs['not']=1
+            gsn_argv=''
+            local -i rc=0
+            ;;
+
+        # --reserved-is[-not]-empty
+        *'-not'*)
+            declare -a args=()
+            attrs['not']=1
+            gsn_arg="${gsn_arg/-not/}"
+            local -i rc=0
+            ;;
+
+        *) local -i rc=1 ;;
+    esac
+
+    [[ $rc -eq 0 ]] && { true; } || { false; }
+    return
+}
+
+# [EOF]