Change WordPress user roles and capabilities › Forums › Restrict or Permit access inside WordPress – how to › Unrestricted access to CPT and its taxonomies, while restricting pages/posts. › Reply To: Unrestricted access to CPT and its taxonomies, while restricting pages/posts.
For clarification, using the ‘ure_restrict_edit_post_type‘ code, makes it so the CPT and CPT taxonomy are both available to manage. However, the taxonomy meta box is empty on the CPT edit screen.
So, while one can mange both the CPT and the CPT taxonomy, they can’t assign the taxonomy to anything.