All reports of unknown-control-interpreter for the archive. The extended description of this tag is:

This package contains a maintainer script that uses an interpreter that the Lintian maintainers have not heard of. This is usually a typo for a common interpreter. If not, please file a wishlist bug on lintian so that the Lintian maintainers can add this interpreter to their list.

Severity: important, Certainty: possible

Check: scripts, Type: binary

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