- This template will categorise tagged articles into Category:Articles lacking sources.
- This template is a self-reference.
- This template is not useful for Wikipedia:Subst.
- There is currently no consensus about where to place this template; most suggest either the bottom of the article page (in an empty 'References' section), or on the article's talk page.
- This template should not be used with stubs.
- If the external links section includes a references section, this template should not be used.