diff --git a/js/components/ascribe_forms/form.js b/js/components/ascribe_forms/form.js
index 91d00f65..148b2e2d 100644
--- a/js/components/ascribe_forms/form.js
+++ b/js/components/ascribe_forms/form.js
@@ -208,7 +208,7 @@ let Form = React.createClass({
         if (this.state.submitted){
             return this.props.spinner;
         }
-        if (this.props.buttons){
+        if ('buttons' in this.props) {
             return this.props.buttons;
         }
         let buttons = null;
diff --git a/js/components/whitelabel/prize/portfolioreview/components/pr_forms/pr_register_piece_form.js b/js/components/whitelabel/prize/portfolioreview/components/pr_forms/pr_register_piece_form.js
index 271901bb..ee3a78f2 100644
--- a/js/components/whitelabel/prize/portfolioreview/components/pr_forms/pr_register_piece_form.js
+++ b/js/components/whitelabel/prize/portfolioreview/components/pr_forms/pr_register_piece_form.js
@@ -197,7 +197,7 @@ const PRRegisterPieceForm = React.createClass({
         return (
             <div className="register-piece--form">
                 <Form
-                    buttons={{}}
+                    buttons={null}
                     className="ascribe-form-bordered"
                     ref="registerPieceForm">
                     <Property
@@ -234,7 +234,7 @@ const PRRegisterPieceForm = React.createClass({
                     </Property>
                 </Form>
                 <Form
-                    buttons={{}}
+                    buttons={null}
                     className="ascribe-form-bordered"
                     ref="additionalDataForm">
                     <Property
@@ -286,7 +286,7 @@ const PRRegisterPieceForm = React.createClass({
                     </Property>
                 </Form>
                 <Form
-                    buttons={{}}
+                    buttons={null}
                     className="ascribe-form-bordered"
                     ref="uploadersForm">
                     <Property
@@ -390,7 +390,7 @@ const PRRegisterPieceForm = React.createClass({
                     </Property>
                 </Form>
                 <Form
-                    buttons={{}}
+                    buttons={null}
                     className="ascribe-form-bordered">
                     <Property
                         name="terms"
diff --git a/js/components/whitelabel/prize/simple_prize/components/ascribe_detail/prize_piece_container.js b/js/components/whitelabel/prize/simple_prize/components/ascribe_detail/prize_piece_container.js
index 5b6897d5..bdaf385d 100644
--- a/js/components/whitelabel/prize/simple_prize/components/ascribe_detail/prize_piece_container.js
+++ b/js/components/whitelabel/prize/simple_prize/components/ascribe_detail/prize_piece_container.js
@@ -187,8 +187,8 @@ let PrizePieceContainer = React.createClass({
 
 let NavigationHeader = React.createClass({
     propTypes: {
-        piece: React.PropTypes.object,
-        currentUser: React.PropTypes.object
+        currentUser: React.PropTypes.object.isRequired,
+        piece: React.PropTypes.object.isRequired
     },
 
     render() {
@@ -224,9 +224,10 @@ let NavigationHeader = React.createClass({
 
 let PrizePieceRatings = React.createClass({
     propTypes: {
-        loadPiece: React.PropTypes.func,
-        piece: React.PropTypes.object,
-        currentUser: React.PropTypes.object,
+        currentUser: React.PropTypes.object.isRequired,
+        loadPiece: React.PropTypes.func.isRequired,
+        piece: React.PropTypes.object.isRequired,
+
         selectedPrizeActionButton: React.PropTypes.func
     },
 
@@ -239,12 +240,18 @@ let PrizePieceRatings = React.createClass({
     },
 
     componentDidMount() {
-        PieceListStore.listen(this.onChange);
-        PrizeStore.listen(this.onChange);
         PrizeRatingStore.listen(this.onChange);
+        PrizeStore.listen(this.onChange);
+        PieceListStore.listen(this.onChange);
 
         PrizeActions.fetchPrize();
-        this.fetchPrizeRatings();
+        this.fetchRatingsIfAuthorized();
+    },
+
+    componentWillReceiveProps(nextProps) {
+        if (nextProps.currentUser.email !== this.props.currentUser.email) {
+            this.fetchRatingsIfAuthorized();
+        }
     },
 
     componentWillUnmount() {
@@ -259,7 +266,7 @@ let PrizePieceRatings = React.createClass({
     // with the problem.
     onChange(state) {
         if (state.prize && state.prize.active_round != this.state.prize.active_round) {
-            this.fetchPrizeRatings(state);
+            this.fetchRatingsIfAuthorized(state);
         }
 
         this.setState(state);
@@ -274,9 +281,19 @@ let PrizePieceRatings = React.createClass({
         }
     },
 
-    fetchPrizeRatings(state = this.state) {
-        PrizeRatingActions.fetchOne(this.props.piece.id, state.prize.active_round);
-        PrizeRatingActions.fetchAverage(this.props.piece.id, state.prize.active_round);
+    fetchRatingsIfAuthorized(state = this.state) {
+        const {
+            currentUser: {
+                is_admin: isAdmin,
+                is_judge: isJudge,
+                is_jury: isJury
+            },
+            piece: { id: pieceId } } = this.props;
+
+        if (state.prize && 'active_round' in state.prize && (isAdmin || isJudge || isJury)) {
+            PrizeRatingActions.fetchOne(pieceId, state.prize.active_round);
+            PrizeRatingActions.fetchAverage(pieceId, state.prize.active_round);
+        }
     },
 
     onRatingClick(event, args) {
@@ -425,7 +442,7 @@ let PrizePieceRatings = React.createClass({
 
 let PrizePieceDetails = React.createClass({
     propTypes: {
-        piece: React.PropTypes.object
+        piece: React.PropTypes.object.isRequired
     },
 
     render() {