diff --git a/lib/Lacuna/DB/Result/Building.pm b/lib/Lacuna/DB/Result/Building.pm
index 99d0ff47..5c98723b 100755
--- a/lib/Lacuna/DB/Result/Building.pm
+++ b/lib/Lacuna/DB/Result/Building.pm
@@ -655,12 +655,16 @@ sub can_demolish {
 }
 
 sub demolish {
-    my ($self) = @_;
+    my ($self, $theft) = @_;
     my $body = $self->body;
-    $body->add_waste(sprintf('%.0f',$self->ore_to_build * $self->upgrade_cost));
-    $body->spend_happiness(sprintf('%.0f',$self->food_to_build * $self->upgrade_cost));
+
+    if (!$theft) {
+        $body->add_waste(sprintf('%.0f',$self->ore_to_build * $self->upgrade_cost));
+        $body->spend_happiness(sprintf('%.0f',$self->food_to_build * $self->upgrade_cost));
+    }
 
     # Remove the building from the cache
+    $self->level(0);
     my $idx = first_index {$_->id == $self->id} @{$body->building_cache};
     if (defined $idx) {
         my @blist = @{$body->building_cache};
@@ -686,7 +690,7 @@ sub downgrade {
     my ($self, $theft) = @_;
     if ($self->level == 1) {
         $self->can_demolish;
-        return $self->demolish;
+        return $self->demolish($theft);
     }
     $self->level( $self->level - 1);
     $self->efficiency(100);
diff --git a/lib/Lacuna/DB/Result/Building/Module/Parliament.pm b/lib/Lacuna/DB/Result/Building/Module/Parliament.pm
index c9f78755..e250b9b4 100644
--- a/lib/Lacuna/DB/Result/Building/Module/Parliament.pm
+++ b/lib/Lacuna/DB/Result/Building/Module/Parliament.pm
@@ -19,5 +19,30 @@ sub propositions {
     return Lacuna->db->resultset('Lacuna::DB::Result::Propositions')->search({station_id => $self->body->id});
 }
 
+after downgrade => sub {
+    my ($self, $theft) = @_;
+
+    # if the parliament is downgraded such that certain laws aren't supported
+    # anymore, remove those laws.
+
+    my @unsupported_laws;
+    my $level = $self->effective_level;
+
+    push @unsupported_laws, 'Writ'                    if $level < 4;
+    push @unsupported_laws, 'Jurisdiction'            if $level < 7;
+    push @unsupported_laws, 'MembersOnlyMiningRights' if $level < 13;
+    push @unsupported_laws, 'Taxation'                if $level < 15;
+    push @unsupported_laws, 'MembersOnlyColonization' if $level < 18;
+    push @unsupported_laws, 'MembersOnlyExcavation'   if $level < 20;
+    push @unsupported_laws, 'BHGNeutralized'          if $level < 23;
+
+    my $laws = $self->body->laws->search(type => { in => \@unsupported_laws });
+    while (my $law = $laws->next)
+    {
+        $law->delete;
+    }
+
+};
+
 no Moose;
 __PACKAGE__->meta->make_immutable(inline_constructor => 0);
diff --git a/lib/Lacuna/DB/Result/Laws.pm b/lib/Lacuna/DB/Result/Laws.pm
index 13948cf9..862f1007 100644
--- a/lib/Lacuna/DB/Result/Laws.pm
+++ b/lib/Lacuna/DB/Result/Laws.pm
@@ -24,6 +24,7 @@ __PACKAGE__->typecast_map(type => {
     Jurisdiction            => 'Lacuna::DB::Result::Laws::Jurisdiction',
     MembersOnlyColonization => 'Lacuna::DB::Result::Laws::MembersOnlyColonization',
     MembersOnlyMiningRights => 'Lacuna::DB::Result::Laws::MembersOnlyMiningRights',
+    MembersOnlyExcavation   => 'Lacuna::DB::Result::Laws::MembersOnlyExcavation',
     Taxation                => 'Lacuna::DB::Result::Laws::Taxation',
     Writ                    => 'Lacuna::DB::Result::Laws::Writ',
 });
diff --git a/lib/Lacuna/DB/Result/Propositions/FireBfg.pm b/lib/Lacuna/DB/Result/Propositions/FireBfg.pm
index 42b8cf41..08f529fe 100644
--- a/lib/Lacuna/DB/Result/Propositions/FireBfg.pm
+++ b/lib/Lacuna/DB/Result/Propositions/FireBfg.pm
@@ -50,7 +50,9 @@ before pass => sub {
                 }
             }
             elsif ($parl) {
-                $parl->level($parl->level - 1);
+                # to ensure it can be downgraded by this.
+                $parl->is_upgrading(0);
+                $parl->downgrade(1); # no point producing waste/unhappy
                 if ($parl->level >= 1)
                 {
                     $parl->spend_efficiency(120); # becomes 25%
@@ -59,12 +61,13 @@ before pass => sub {
                 }
                 else
                 {
-                    $parl->demolish;
+                    # this should never happen: BFGs simply cannot pass
+                    # if the parliament goes below 7 - nothing is still seized.
                     $self->station->add_news(99, sprintf('The parliament of %s suffered a critical malfunction today while trying to fire their BFG.', $self->station->name));
                 }
                 $self->station->update;
 
-                $self->pass_extra_message('Unfortunately, by the time the proposition passed, the station no longer had sufficient resources to fire with.');
+                $self->pass_extra_message('Unfortunately, by the time the proposition passed, the station no longer had sufficient resources to fire with and suffered major damage.');
             }
             else {
                 $self->pass_extra_message('Unfortunately, by the time the proposition passed, there was no parliament to enact it.');