diff --git a/server/AyaNova/biz/WorkOrderBiz.cs b/server/AyaNova/biz/WorkOrderBiz.cs
index d0d3b9fe..693b4fe4 100644
--- a/server/AyaNova/biz/WorkOrderBiz.cs
+++ b/server/AyaNova/biz/WorkOrderBiz.cs
@@ -73,6 +73,7 @@ namespace AyaNova.Biz
                 return null;
             else
             {
+                // await WorkOrderBizActionsAsync(AyaEvent.Created, newObject, null, null);
                 newObject.Tags = TagBiz.NormalizeTags(newObject.Tags);
                 newObject.CustomFields = JsonUtil.CompactJson(newObject.CustomFields);
                 await ct.WorkOrder.AddAsync(newObject);
@@ -193,6 +194,11 @@ namespace AyaNova.Biz
         //       
         internal async Task<WorkOrder> WorkOrderPutAsync(WorkOrder putObject)
         {
+
+            //todo: bizactions, contract change update pricing entire workorder and return it entirely?
+            //no client must fetch it, just return concurrency as per normal here
+
+
             //Note: this is intentionally not using the getasync because
             //doing so would invoke the children which would then get deleted on save since putobject has no children
             WorkOrder dbObject = await ct.WorkOrder.AsNoTracking().FirstOrDefaultAsync(z => z.Id == putObject.Id);
@@ -206,14 +212,20 @@ namespace AyaNova.Biz
                 AddError(ApiErrorCode.CONCURRENCY_CONFLICT);
                 return null;
             }
-
-
+            bool contractChanged = false;
+            long? newContractId = null;
+            if (putObject.ContractId != dbObject.ContractId)
+            {
+                contractChanged = true;
+                newContractId = putObject.ContractId;
+            }
 
             putObject.Tags = TagBiz.NormalizeTags(putObject.Tags);
             putObject.CustomFields = JsonUtil.CompactJson(putObject.CustomFields);
             await WorkOrderValidateAsync(putObject, dbObject);
             if (HasErrors)
                 return null;
+            // await WorkOrderBizActionsAsync(AyaEvent.Modified, putObject, dbObject, null);
             ct.Replace(dbObject, putObject);
             try
             {
@@ -230,6 +242,14 @@ namespace AyaNova.Biz
             await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, dbObject.Id, BizType, AyaEvent.Modified), ct);
             await WorkOrderSearchIndexAsync(putObject, false);
             await TagBiz.ProcessUpdateTagsInRepositoryAsync(ct, putObject.Tags, dbObject.Tags);
+            if (contractChanged)
+            {
+
+                if (newContractId != null)
+                    mContractInEffect = await ct.Contract.AsNoTracking().FirstOrDefaultAsync(z => z.Id == newContractId);
+                mFetchedContractAlready = true;
+                await ProcessChangeOfContractAsync(putObject.Id);
+            }
             await WorkOrderHandlePotentialNotificationEvent(AyaEvent.Modified, putObject, dbObject);
             return putObject;
         }
@@ -373,6 +393,32 @@ namespace AyaNova.Biz
         }
 
 
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////
+        //CONTRACT CHANGE HANDLER
+        //
+        //        
+        private async Task ProcessChangeOfContractAsync(long woId)
+        {
+            //contract has changed, update entire graph pricing and potentially response time stuff as well here now
+            //iterate graph calling *SetListPrice on each item
+            var wo = await WorkOrderGetAsync(woId, false, false);
+            foreach (WorkOrderItem wi in wo.Items)
+            {
+                foreach (WorkOrderItemLabor o in wi.Labors)
+                    LaborSetListPrice(o, mContractInEffect);
+                foreach (WorkOrderItemTravel o in wi.Travels)
+                    TravelSetListPrice(o, mContractInEffect);
+                foreach (WorkOrderItemPart o in wi.Parts)
+                    PartSetListPrice(o, mContractInEffect);
+
+            }
+
+
+        }
+
+
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //VALIDATION
         //
@@ -1789,20 +1835,23 @@ namespace AyaNova.Biz
                         newObj.Cost = s.Cost;
                         newObj.ListPrice = s.Charge;
                         var Contract = await GetCurrentWorkOrderContractFromRelatedAsync(AyaType.WorkOrderItem, newObj.WorkOrderItemId);
-                        LaborApplyContract(newObj, Contract);
+                        LaborSetListPrice(newObj, Contract);
                     }
                 }
             }
         }
 
         ////////////////////////////////////////////////////////////////////////////////////////////////
-        // APPLY CONTRACT PER UNIT PRICING
+        // SET PER UNIT LIST PRICE
         //
         //(called by woitemlabor save and also by header save on change of contract)
-        private static void LaborApplyContract(WorkOrderItemLabor o, Contract c)
+        private static void LaborSetListPrice(WorkOrderItemLabor o, Contract c)
         {
             if (c == null || c.ServiceRatesOverridePct == 0)
+            {
+                o.Price = o.ListPrice;//default with no contract
                 return;
+            }
             if (c.ServiceRatesOverrideType == ContractOverrideType.CostMarkup)
                 o.Price = o.Cost + (o.Cost * c.ServiceRatesOverridePct);
             else if (c.ServiceRatesOverrideType == ContractOverrideType.PriceDiscount)
@@ -2608,6 +2657,26 @@ namespace AyaNova.Biz
             //     o.WorkOrderOverseerViz = await ct.User.AsNoTracking().Where(x => x.Id == o.WorkOrderOverseerId).Select(x => x.Name).FirstOrDefaultAsync();
         }
 
+
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////
+        // SET PER UNIT LIST PRICE
+        //
+        //(called by woitempart save and also by header save on change of contract)
+        private static void PartSetListPrice(WorkOrderItemPart o, Contract c)
+        {
+            if (c == null || c.ServiceRatesOverridePct == 0)
+            {
+                o.Price = o.ListPrice;//default with no contract
+                return;
+            }
+            if (c.ServiceRatesOverrideType == ContractOverrideType.CostMarkup)
+                o.Price = o.Cost + (o.Cost * c.ServiceRatesOverridePct);
+            else if (c.ServiceRatesOverrideType == ContractOverrideType.PriceDiscount)
+                o.Price = o.ListPrice - (o.ListPrice * c.ServiceRatesOverridePct);
+        }
+
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //VALIDATION
         //       
@@ -2709,6 +2778,8 @@ namespace AyaNova.Biz
 
 
 
+
+
         #endregion work order item PARTS level
 
 
@@ -3628,6 +3699,26 @@ namespace AyaNova.Biz
             //     o.WorkOrderOverseerViz = await ct.User.AsNoTracking().Where(x => x.Id == o.WorkOrderOverseerId).Select(x => x.Name).FirstOrDefaultAsync();
         }
 
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////
+        // SET PER UNIT LIST PRICE
+        //
+        //(called by woitemtravel save and also by header save on change of contract)
+        private static void TravelSetListPrice(WorkOrderItemTravel o, Contract c)
+        {
+            if (c == null || c.ServiceRatesOverridePct == 0)
+            {
+                o.Price = o.ListPrice;//default with no contract
+                return;
+            }
+            if (c.ServiceRatesOverrideType == ContractOverrideType.CostMarkup)
+                o.Price = o.Cost + (o.Cost * c.ServiceRatesOverridePct);
+            else if (c.ServiceRatesOverrideType == ContractOverrideType.PriceDiscount)
+                o.Price = o.ListPrice - (o.ListPrice * c.ServiceRatesOverridePct);
+        }
+
+
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //VALIDATION
         //