All reports of copyright-does-not-refer-to-common-license-file for the archive. The extended description of this tag is:
If your package uses any one of the licenses in /usr/share/common-licenses, the copyright file should refer to files therein.
Refer to Debian Policy Manual section 12.5 (Copyright information) for details.
This tag has not been emitted in any package tested by Lintian.