All reports of package-installs-into-etc-rc.boot for the archive. The extended description of this tag is:

The package installs files in the /etc/rc.boot directory, which is obsolete. See rc.boot(5) for details.

Refer to Debian Policy Manual section 9.3.4 (Boot-time initialization) for details.

Severity: serious, Certainty: certain

Check: files, Type: binary, udeb

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