diff --git a/APPL/API2/api2.inc b/APPL/API2/api2.inc
index d6d6192d37..d990f84b85 100644
--- a/APPL/API2/api2.inc
+++ b/APPL/API2/api2.inc
@@ -657,6 +657,15 @@ api2 = {
                         }
                         else
                         {
+                            if (params.orderby)
+                            {
+                                for (var i = 0; i < params.orderby.length; i++)
+                                {
+                                    var field = inc.model.fields[params.orderby[i]];
+                                    if (field)
+                                        orderbys.push(inc.model.table + "." + field.dbs);
+                                }
+                            }
                             // In orderbys worden de include primary keys verzameld om te sorteren
                             // We bieden daar geen garantie op maar tijdens testen is deterministisch
                             // gedrag wel fijn.
diff --git a/APPL/API2/model_cnt_factuurschema.inc b/APPL/API2/model_cnt_factuurschema.inc
new file mode 100644
index 0000000000..2b10267024
--- /dev/null
+++ b/APPL/API2/model_cnt_factuurschema.inc
@@ -0,0 +1,62 @@
+<% /*
+    $Revision$
+    $Id$
+
+    File:           model_cnt_factuurschema.inc
+
+    Description:    Model voor cnt_factuurschema
+
+    Context:
+
+    Notes:
+*/
+%>
+<%
+
+function model_cnt_factuurschema()
+{
+    this.table = "cnt_factuurschema";
+    this.primary = "cnt_factuurschema_key";
+    this.records_name = "cnt_factuurschemas";
+    this.record_name = "cnt_factuurschema";
+    this.autfunction = "WEB_CNTMGT";
+    this.record_title = L("cnt_factuurschema");
+    this.records_title = L("cnt_factuurschema_m");
+
+    this.fields = {
+        "id": {
+            "dbs": "cnt_factuurschema_key",
+            "label": "Key",
+            "typ": "key",
+            "required": true,
+            "seq": "cnt_s_cnt_factuurschema_key"
+        },
+        "cnt_contract_key": {
+            "dbs": "cnt_contract_key",
+            "typ": "key",
+            "foreign": "cnt_contract",
+            "label": L("lcl_contract")
+        },
+        "accountingperiod": {
+            "dbs": "cnt_factuurschema_boekmaand",
+            "typ": "varchar",
+            "track": true,
+            "label": L("lcl_fin_divide_period")
+        },
+        "amount": {
+            "dbs": "cnt_factuurschema_bedrag",
+            "typ": "float"
+        },
+        "description": {
+            "dbs": "cnt_factuurschema_opmerking",
+            "typ": "memo",
+            "label": L("cnt_factuurschema_opmerking")
+        }
+    };
+
+    this.REST_GET    = generic_REST_GET(this);
+    this.REST_POST   = generic_REST_POST(this);
+    this.REST_PUT    = generic_REST_PUT(this);
+    this.REST_DELETE = generic_REST_DELETE(this);
+}
+%>
\ No newline at end of file
diff --git a/APPL/API2/model_contracts.inc b/APPL/API2/model_contracts.inc
index d9fada66c0..c7145841cb 100644
--- a/APPL/API2/model_contracts.inc
+++ b/APPL/API2/model_contracts.inc
@@ -15,6 +15,7 @@
 <!-- #include file="../Shared/discx3d.inc" -->
 <!-- #include file="../cnt/cnt.inc" -->
 <!-- #include file="./model_tracking.inc"-->
+<!-- #include file="./model_cnt_factuurschema.inc"-->
 <%
 
 model_contracts =
@@ -47,6 +48,10 @@ model_contracts =
                 "tracking": {
                                   model: new model_tracking(['contract']),
                                   joinfield: "fac_tracking_refkey"
+                            },
+                "schedule": {
+                                  model: new model_cnt_factuurschema(),
+                                  joinfield: "cnt_contract_key"
                             }
               },
 
diff --git a/APPL/CNT/cnt_factuurschema.asp b/APPL/CNT/cnt_factuurschema.asp
new file mode 100644
index 0000000000..45c2735535
--- /dev/null
+++ b/APPL/CNT/cnt_factuurschema.asp
@@ -0,0 +1,45 @@
+<%@language = "javascript" %>
+<% /*
+    $Revision$
+    $Id$
+
+    File:           cnt_factuurschema
+
+    Description:    Aanroep voor model_cnt_factuurschema
+
+    Context:        Zal altijd aangeroepen worden met (include) model=schedule
+
+    Notes:          cnt_factuurschema is een include van cnt_contract
+                    Daarom doen we hier ook model cnt_contract en zorgen voor
+                    een 'include-aanroep'
+*/
+%>
+<!-- #include file="../scf/scaffolding.inc" -->
+<!-- #include file="../mgt/mgt_tools.inc" -->
+<!-- #include file="../api2/model_contracts.inc" -->
+<%
+var this_model = model_contracts;
+
+scaffolding(this_model,
+    { "included": {
+        "schedule" : {
+            "list": {
+                "columns": [
+                    "id",
+                    "cnt_contract_key",
+                    "accountingperiod",
+                    "amount",
+                    "description"
+                ],
+                "orderby": [,
+                    "cnt_contract_key",
+                    "accountingperiod"
+                 ]
+            },
+            "edit": {
+                "modal": true
+            }
+        }
+      }
+    });
+%>