diff --git a/docs/upgrades/upgrade_7.5.2-7.5.3.pl b/docs/upgrades/upgrade_7.5.2-7.5.3.pl
index 196b1ad09..25d5fab14 100644
--- a/docs/upgrades/upgrade_7.5.2-7.5.3.pl
+++ b/docs/upgrades/upgrade_7.5.2-7.5.3.pl
@@ -119,14 +119,14 @@ sub upgradeEMS {
 	$db->write("create table EMSBadgeGroup (
 		badgeGroupId varchar(22) binary not null primary key,
 		emsAssetId varchar(22) binary not null,
-		name varchar(100),
-		badgeList text
+		name varchar(100)
 		)");
 	$db->write("create table EMSBadge (
 		assetId varchar(22) binary not null,
 		revisionDate bigint not null,
 		price float not null default 0.00,
 		seatsAvailable int not null default 100,
+		relatedBadgeGroups mediumtext,
 		primary key (assetId, revisionDate)
 		)");
 	$db->write("create table EMSTicket (
diff --git a/lib/WebGUI/Asset/Sku/EMSBadge.pm b/lib/WebGUI/Asset/Sku/EMSBadge.pm
index 6f3cdb66c..d59cde07b 100644
--- a/lib/WebGUI/Asset/Sku/EMSBadge.pm
+++ b/lib/WebGUI/Asset/Sku/EMSBadge.pm
@@ -88,6 +88,13 @@ sub definition {
 			label           => $i18n->get("seats available"),
 			hoverHelp       => $i18n->get("seats available help"),
 			},
+		relatedBadgeGroups => {
+			tab             => "properties",
+			fieldType		=> "checkList",
+			customDrawMethod=> 'drawRelatedBadgeGroupsField',
+			label           => $i18n->get("related badge groups"),
+			hoverHelp       => $i18n->get("related badge groups badge help"),
+			},
 	    );
 	push(@{$definition}, {
 		assetName           => $i18n->get('ems badge'),
@@ -100,6 +107,24 @@ sub definition {
 	return $class->SUPER::definition($session, $definition);
 }
 
+#-------------------------------------------------------------------
+
+=head2 drawRelatedBadgeGroupsField ()
+
+Draws the field for the relatedBadgeGroups property.
+
+=cut
+
+sub drawRelatedBadgeGroupsField {
+	my ($self, $params) = @_;
+	return WebGUI::Form::checkList($self->session, {
+		name		=> $params->{name},
+		value		=> $self->get($params->{name}),
+		vertical	=> 1,
+		options		=> $self->getParent->getBadgeGroups,
+		});
+}
+
 
 #-------------------------------------------------------------------
 
diff --git a/lib/WebGUI/Asset/Sku/EMSTicket.pm b/lib/WebGUI/Asset/Sku/EMSTicket.pm
index 3de890144..2c8ad9af8 100644
--- a/lib/WebGUI/Asset/Sku/EMSTicket.pm
+++ b/lib/WebGUI/Asset/Sku/EMSTicket.pm
@@ -117,7 +117,7 @@ sub definition {
 			fieldType		=> "checkList",
 			customDrawMethod=> 'drawRelatedBadgeGroupsField',
 			label           => $i18n->get("related badge groups"),
-			hoverHelp       => $i18n->get("related badge groups help"),
+			hoverHelp       => $i18n->get("related badge groups ticket help"),
 			},
 		relatedRibbons => {
 			tab             => "properties",
diff --git a/lib/WebGUI/Asset/Wobject/EventManagementSystem.pm b/lib/WebGUI/Asset/Wobject/EventManagementSystem.pm
index 6dc944b6d..a019736b0 100644
--- a/lib/WebGUI/Asset/Wobject/EventManagementSystem.pm
+++ b/lib/WebGUI/Asset/Wobject/EventManagementSystem.pm
@@ -427,8 +427,6 @@ sub www_buildBadge {
 	my $session = $self->session;
 	return $session->privilege->noAccess() unless $self->canView;
 	$badgeId = $session->form->get("badgeId") if ($badgeId eq "");
-	my $hasBadge = ($badgeId ne "");
-	$whichTab ||= "tickets";
 	my $i18n = WebGUI::International->new($session, "Asset_EventManagementSystem");
 	my %var = (
 		%{$self->get},
@@ -437,9 +435,9 @@ sub www_buildBadge {
 		exportTicketsUrl	=> undef,
 		getTicketsUrl		=> $self->getUrl('func=getTicketsAsJson;badgeId='.$badgeId),
 		canEdit				=> $self->canEdit,
-		hasBadge			=> $hasBadge,
+		hasBadge			=> ($badgeId ne ""),
 		badgeId				=> $badgeId,
-		whichTab			=> $whichTab,
+		whichTab			=> $whichTab || "tickets",
 		addRibbonUrl		=> $self->getUrl('func=add;class=WebGUI::Asset::Sku::EMSRibbon'),
 		getRibbonsUrl		=> $self->getUrl('func=getRibbonsAsJson'),
 		getTokensUrl		=> $self->getUrl('func=getTokensAsJson'),
@@ -507,17 +505,6 @@ sub www_editBadgeGroup {
 		label		=> $i18n->get('badge group name'),
 		hoverHelp	=> $i18n->get('badge group name help'),
 		);
-	$f->checkList(
-		name		=> 'badgeList',
-		value		=> $badgeGroup->{badgeList},
-		options		=> $db->buildHashRef("select asset.assetId,assetData.title from asset left join assetData
-							using (assetId) where asset.parentId=? and assetData.revisionDate=
-							(SELECT max(revisionDate) from assetData where assetData.assetId=asset.assetId)
-							and asset.className='WebGUI::Asset::Sku::EMSBadge'", [$self->getId]),
-		vertical	=> 1,
-		label		=> $i18n->get('badge list'),
-		hoverHelp	=> $i18n->get('badge list help'),
-		);
 	$f->submit;
 	return $self->processStyle('<h1>'.$i18n->get('badge groups').'</h1>'.$f->print);
 }
@@ -536,12 +523,10 @@ sub www_editBadgeGroupSave {
 	return $self->session->privilege->insufficient() unless $self->canEdit;
 	my $form = $self->session->form;
 	my $id = $form->get("badgeGroupId") || "new";
-	my @badgeList = $form->get("badgeList",'checkList');
 	$self->session->db->setRow("EMSBadgeGroup","badgeGroupId",{
 		badgeGroupId	=> $id,
 		emsAssetId		=> $self->getId,
 		name			=> $form->get('name'),
-		badgeList		=> JSON::encode_json(\@badgeList),
 		});
 	return $self->www_manageBadgeGroups;
 }
@@ -785,13 +770,57 @@ sub www_getTicketsAsJson {
 		@ids = $db->buildArray("select assetId from asset where parentId=? and className='WebGUI::Asset::Sku::EMSTicket'", [$self->getId]);
 	}
 	
+	# get badge's badge groups
+	my $badgeId = $form->get('badgeId');
+	my @badgeGroups = ();
+	if (defined $badgeId) {
+		my $assetId = $db->quickScalar("select badgeAssetId from EMSRegistrant where badgeId=?",[$badgeId]);
+		my $badge = WebGUI::Asset->new($session, $assetId, 'WebGUI::Asset::Sku::EMSBadge');
+		@badgeGroups = split("\n",$badge->get('relatedBadgeGroups')) if (defined $badge);
+	}
+	
 	# get assets
 	my $counter = 0;
+	my $totalTickets = scalar(@ids);
 	my @records = ();
 	foreach my $id (@ids) {
 		next unless ($counter >= $startIndex);
 		my $ticket = WebGUI::Asset->new($session, $id, 'WebGUI::Asset::Sku::EMSTicket');
-		next unless defined $ticket;
+		
+		# skip borked tickets
+		unless (defined $ticket) {
+			$session->errorHandler->warn("EMSTicket $id couldn't be instanciated by EMS ".$self->getId.".");
+			$totalTickets--;
+			next;
+		}
+		
+		# skip tickets we can't view
+		unless ($ticket->canView) {
+			$totalTickets--;
+			next;
+		}
+		
+		# skip tickets not in our badge's badge groups
+		if (scalar(@badgeGroups) > 0 && $ticket->get('relatedBadgeGroups') ne '') { # skip check if it has no badge groups
+			my @groups = split("\n",$ticket->get('relatedBadgeGroups'));
+			my $found = 0;
+			BADGE: {
+				foreach my $a (@badgeGroups) {
+					foreach my $b (@groups) {
+						if ($a eq $b) {
+							$found = 1;
+							last BADGE;
+						}
+					}
+				}
+			}
+			unless ($found) {
+				$totalTickets--;
+				next;
+			}
+		}
+		
+		# publish the data for this ticket
 		my $date = WebGUI::DateTime->new($session, $ticket->get('startDate'));
 		push(@records, {
 			title 				=> $ticket->getTitle,
@@ -813,7 +842,7 @@ sub www_getTicketsAsJson {
 	
 	# build json
 	$results{records} 			= \@records;
-    $results{totalRecords} 		= scalar(@ids);
+    $results{totalRecords} 		= $totalTickets;
 	$results{recordsReturned} 	= scalar(@records);
     $results{'startIndex'}   	= $startIndex;
     $results{'sort'}       		= undef;
diff --git a/lib/WebGUI/Shop/Cart.pm b/lib/WebGUI/Shop/Cart.pm
index 648f60579..90021290f 100644
--- a/lib/WebGUI/Shop/Cart.pm
+++ b/lib/WebGUI/Shop/Cart.pm
@@ -282,6 +282,7 @@ An array reference of assetIds to look for.
 
 sub getItemsByAssetId {
     my ($self, $assetIds) = @_;
+    return [] unless (scalar(@{$assetIds}) > 0);
     my @itemsObjects = ();
     my $items = $self->session->db->read("select itemId from cartItem where cartId=? and assetId in (".$self->session->db->quoteAndJoin($assetIds).")",[$self->getId]);
     while (my ($itemId) = $items->array) {
diff --git a/lib/WebGUI/i18n/English/Asset_EventManagementSystem.pm b/lib/WebGUI/i18n/English/Asset_EventManagementSystem.pm
index f6b574972..800bc31a9 100644
--- a/lib/WebGUI/i18n/English/Asset_EventManagementSystem.pm
+++ b/lib/WebGUI/i18n/English/Asset_EventManagementSystem.pm
@@ -21,19 +21,7 @@ our $I18N = {
 	},
 	
 	'badge group name help' => {
-		message 	=> q|Enter a name to group these badges under.|,
-		lastUpdated	=> 0,
-		context		=> q|help for a badge group property label|,
-	},
-		
-	'badge list' => {
-		message 	=> q|Badge List|,
-		lastUpdated	=> 0,
-		context		=> q|a badge group property label|,
-	},
-	
-	'badge list help' => {
-		message 	=> q|Select the badges that belong to this group.|,
+		message 	=> q|Enter a name to be used to link badges with tickets under.|,
 		lastUpdated	=> 0,
 		context		=> q|help for a badge group property label|,
 	},
@@ -362,12 +350,18 @@ our $I18N = {
 		context		=> q|a ticket property label|,
 	},
 	
-	'related badge groups help' => {
+	'related badge groups ticket help' => {
 		message 	=> q|Check the badge groups that can act as a prerequisite to being able to attend this event. If none are checked, then any badge will do.|,
 		lastUpdated	=> 0,
 		context		=> q|help for a ticket property label|,
 	},
 	
+	'related badge groups badge help' => {
+		message 	=> q|Check the badge groups that related to this badge, so that tickets can be assigned prerequisite badges.|,
+		lastUpdated	=> 0,
+		context		=> q|help for a ticket property label|,
+	},
+	
 	'related ribbons' => {
 		message 	=> q|Related Ribbons|,
 		lastUpdated	=> 0,