diff --git a/source/Ox.UI/js/Core/URL.js b/source/Ox.UI/js/Core/URL.js
index 16646974..5ea55679 100644
--- a/source/Ox.UI/js/Core/URL.js
+++ b/source/Ox.UI/js/Core/URL.js
@@ -25,9 +25,15 @@ Ox.URL <f> URL controller
             state <o> State object
             string <s> The string to be tested
             callback <f> callback function
+        getSort <f> Tests if a sort object is valid (for the current item)
+            May modify the state's sort properties
+            (state, value, callback) -> <u> undefined
+            state <o> State object
+            value <o> The value to be tested
+            callback <f> Callback function
         getSpan <f> Tests if a value matches a span
             May modify the state's view and span properties
-            (state, string, callback) -> <u> undefined
+            (state, value, callback) -> <u> undefined
             state <o> State object
             value <[n]|s> The value to be tested
             callback <f> Callback function
@@ -410,6 +416,7 @@ Ox.URL = function(options) {
         getHash: null,
         getItem: null,
         getPart: null,
+        getSort: null,
         getSpan: null,
         pages: [],
         spanType: {},
@@ -818,14 +825,14 @@ Ox.URL = function(options) {
                 }
             } else {
                 state.item = '';
-                // set to default view
+                // set to default list view
                 state.view = self.options.views[state.type].list[0];
                 getHash();
             }
         }
         function parseBeyondItem() {
             Ox.Log('Core', 'pBI', state, parts.join('/'));
-            var sortKeyIds, sortParts, span, spanType, spanTypes;
+            var sortKeyIds, sortParts;
             if (
                 parts.length && state.item
                 && self.options.views[state.type].item.indexOf(parts[0]) > -1
@@ -836,7 +843,6 @@ Ox.URL = function(options) {
             } else if (state.item && self.options.views[state.type].item.length == 1) {
                 state.view = self.options.views[state.type].item[0];
             }
-            // sort
             if (parts.length) {
                 sortParts = parts[0].split(',');
                 sortKeyIds = Ox.map(self.options.sortKeys[state.type][
@@ -866,8 +872,25 @@ Ox.URL = function(options) {
                         }
                     }
                 );
+                if (state.sort) {
+                    // may modify state.sort
+                    self.options.getSort(state, state.sort, parseBeyondSort);
+                } else {
+                    parseBeyondSort();
+                }
+            } else {
+                if (!state.view) {
+                    // set to default list or item view
+                    state.view = self.options.views[state.type][
+                        !state.item ? 'list' : 'item'
+                    ][0];
+                }
+                getHash();
             }
-            // span
+        }
+        function parseBeyondSort() {
+            Ox.Log('Core', 'pBSo', state, parts.join('/'))
+            var span, spanType, spanTypes;
             if (parts.length) {
                 spanTypes = self.options.spanType[state.type][
                     !state.item ? 'list' : 'item'
@@ -922,14 +945,16 @@ Ox.URL = function(options) {
                 }
             } else {
                 if (!state.view) {
-                    // set to default item view
-                    state.view = self.options.views[state.type].item[0];
+                    // set to default list or item view
+                    state.view = self.options.views[state.type][
+                        !state.item ? 'list' : 'item'
+                    ][0];
                 }
                 getHash();
             }
         }
         function parseBeyondSpan() {
-            Ox.Log('Core', 'pBS', state, parts)
+            Ox.Log('Core', 'pBSp', state, parts.join('/'))
             if (!state.view) {
                 // set to default list or item view
                 state.view = self.options.views[state.type][