--- /usr/bin/dpkg-genchanges	2007-03-06 11:38:13.000000000 +0100
+++ dpkg-genchanges	2007-05-02 12:07:31.000000000 +0200
@@ -252,6 +252,16 @@
     }
 }
 
+# check Ubuntu merge Policy: When merging with Debian, -v must be used and the
+# remaining changes described
+if ($f{'Version'} =~ /ubuntu1$/ && $ENV{'DEBEMAIL'} =~ /ubuntu/ &&
+    $f{'Changes'} =~ /merge.*(from|to|with).*Debian/i) { 
+    &error(_g("when merging Ubuntu packages to Debian, -v must be used")) unless $since;
+    &error(_g("when merging Ubuntu packages to Debian, changelog must describe the remaining Ubuntu changes")) 
+        unless $f{'Changes'} =~ /(remaining|Ubuntu).*(differen|changes)/is;
+}
+
+
 for $p (keys %p2f) {
     my ($pp, $aa) = (split / /, $p);
     defined($p2i{"C $pp"}) ||