org-clone-delete-id

org-clone-delete-id is a variable defined in `org.el'.
Its value is

nil

Documentation:
Remove ID property of clones of a subtree.
When non-nil, clones of a subtree don't inherit the ID property.
Otherwise they inherit the ID property with a new unique
identifier.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 24.1 of Emacs.