Variable: org-num-skip-tags
org-num-skip-tags is a customizable variable defined in org-num.el.gz.
Value
nil
Documentation
List of tags preventing the numbering of sub-trees.
For example, add "ARCHIVE" to this list to avoid numbering archived sub-trees.
Tag in this list prevent numbering the whole sub-tree,
irrespective to org-use-tag-inheritance, or other means to
control tag inheritance.
This variable was added, or its default value changed, in Org version
9.3.
Source Code
;; Defined in /usr/src/emacs/lisp/org/org-num.el.gz
(defcustom org-num-skip-tags nil
"List of tags preventing the numbering of sub-trees.
For example, add \"ARCHIVE\" to this list to avoid numbering
archived sub-trees.
Tag in this list prevent numbering the whole sub-tree,
irrespective to `org-use-tag-inheritance', or other means to
control tag inheritance."
:group 'org-appearance
:package-version '(Org . "9.3")
:type '(repeat (string :tag "Tag"))
:safe (lambda (val) (and (listp val) (cl-every #'stringp val))))