All reports of non-standard-toplevel-dir for the archive. The extended description of this tag is:

The Filesystem Hierarchy Standard forbids the installation of new files or directories in the root directory.

Refer to Filesystem Hierarchy Standard (The Root Filesystem) for details.

Severity: important, Certainty: certain

Check: files, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.