The tag is present in Lintian version 2.104.234. That is the most recent version we know about.
debian/control file places the indicated binary package
in a different archive area (main, contrib, non-free) than its source
package or other binary packages built from the same source package. The
source package and any binary packages it builds must be in the same
area of the archive, with the single exception that source packages in
main may also build binary packages in contrib if they build binary
packages in main.