diff --git a/src/bonsai/bonsai/bim/data/webui/static/css/components/card.css b/src/bonsai/bonsai/bim/data/webui/static/css/components/card.css
index 111dbda1e4..4d74fbc65f 100644
--- a/src/bonsai/bonsai/bim/data/webui/static/css/components/card.css
+++ b/src/bonsai/bonsai/bim/data/webui/static/css/components/card.css
@@ -1,58 +1,27 @@
-:root.blender .flex-row {
-    display: flex;
-    flex-direction: row;
-    justify-content: space-between;
-  }
+.card-container {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
 
-/* CSS for the work schedule cards */
-:root.blender #work_schedules {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 20px;
-    padding: 20px;
-  }
-  
-:root.blender .card {
-    border: 1px solid #ddd;
-    border-radius: 8px;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
-    width: 300px;
-    margin: 10px;
-    transition: transform 0.2s;
-  }
-  
-:root.blender .card:hover {
-    transform: scale(1.05);
-  }
-  
-  
-:root.blender .card-title {
-    font-size: 1.25rem;
-    margin-bottom: 10px;
-    border-bottom: 1px solid #ddd;
-    padding: 10px;
-  }
-  
-:root.blender .card-text {
-    font-size: 1rem;
-    margin-bottom: 20px;
-    padding: 10px;
-  }
-  
-:root.blender .btn-primary {
-    background-color: #007bff;
-    border: none;
-    color: white;
-    padding: 10px 20px;
-    text-align: center;
-    text-decoration: none;
-    display: inline-block;
-    font-size: 1rem;
-    border-radius: 5px;
-    cursor: pointer;
-    transition: background-color 0.2s;
-  }
-  
-:root.blender .btn-primary:hover {
-    background-color: #0056b3;
-  }
\ No newline at end of file
+.card {
+  background-color: var(--blender-even-row, var(--nav-bg-color));
+  display: flex;
+  flex-direction: column;
+  overflow-y: auto;
+  flex: 1;
+}
+
+.card-header {
+  background-color: var(--blender-panel-header, var(--bg-color));
+  border: 1px solid var(--blender-tab-outline, var(--border-color));
+  flex-shrink: 0;
+}
+
+.card-body {
+  background-color: var(--blender-panel-background, var(--bg-color));
+  border: 1px solid var(--blender-tab-outline, var(--border-color));
+  overflow-y: auto;
+  flex: 1;
+}
\ No newline at end of file
diff --git a/src/bonsai/bonsai/bim/data/webui/static/css/cost.css b/src/bonsai/bonsai/bim/data/webui/static/css/cost.css
index cb25216438..5378135184 100644
--- a/src/bonsai/bonsai/bim/data/webui/static/css/cost.css
+++ b/src/bonsai/bonsai/bim/data/webui/static/css/cost.css
@@ -392,7 +392,7 @@ form table {
   opacity: 1;
 }
 
-.clickable-cell:hover {
+.selected-cell, .clickable-cell:hover {
   border: 2px solid var(--highlight-over);
   cursor: pointer;
 }
@@ -560,3 +560,10 @@ i {
   background-color: #ccffcc;
   color: darkgreen;
 }
+
+.card {
+  margin: 10px;
+}
+.card-body {
+  height: 10vh;
+}
\ No newline at end of file
diff --git a/src/bonsai/bonsai/bim/data/webui/static/css/drawings.css b/src/bonsai/bonsai/bim/data/webui/static/css/drawings.css
index 17485412d3..aef677f683 100644
--- a/src/bonsai/bonsai/bim/data/webui/static/css/drawings.css
+++ b/src/bonsai/bonsai/bim/data/webui/static/css/drawings.css
@@ -1,3 +1,5 @@
+@import url("./components/card.css");
+
 :root {
     --font-family: Arial, sans-serif;
     --base-font-size: 16px;
@@ -250,33 +252,7 @@ button:hover {
     overflow: hidden;
 }
 
-.card-container {
-    flex: 1;
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-}
 
-.card {
-    background-color: var(--blender-even-row, var(--nav-bg-color));
-    display: flex;
-    flex-direction: column;
-    overflow-y: auto;
-    flex: 1;
-}
-
-.card-header {
-    background-color: var(--blender-panel-header, var(--bg-color));
-    border: 1px solid var(--blender-tab-outline, var(--border-color));
-    flex-shrink: 0;
-}
-
-.card-body {
-    background-color: var(--blender-panel-background, var(--bg-color));
-    border: 1px solid var(--blender-tab-outline, var(--border-color));
-    overflow-y: auto;
-    flex: 1;
-}
 
 li.svg-name {
     list-style-type: none;
diff --git a/src/bonsai/bonsai/bim/data/webui/static/js/cost.js b/src/bonsai/bonsai/bim/data/webui/static/js/cost.js
index a4d8ff8849..ca683e157f 100644
--- a/src/bonsai/bonsai/bim/data/webui/static/js/cost.js
+++ b/src/bonsai/bonsai/bim/data/webui/static/js/cost.js
@@ -3,8 +3,6 @@ import { CostUI } from "./utilities/costui.js";
 const connectedClients = {};
 let socket;
 
-let loadedSchedules = {};
-
 $(document).ready(function () {
   var defaultTheme = "blender";
   var theme = localStorage.getItem("theme") || defaultTheme;
@@ -58,6 +56,19 @@ function handleEditQuantities(data) {
   });
 }
 
+function assignCostValues(costRateId, callback){
+  const selectedCostItems = CostUI.getSelectedCostItems();
+  if (selectedCostItems.length === 0) {
+    return;
+  }
+  executeOperator({
+    type: "assignCostValues",
+    costRateId: costRateId,
+    costItemIds: selectedCostItems,
+  });
+}
+
+
 function addSumCostValue(costItemId) {
   executeOperator({ type: "addSumCostValue", costItemId: costItemId });
 }
@@ -276,9 +287,6 @@ function toggleClientList() {
 
 function handleCostSchedulesData(data) {
   const blenderId = data.blenderId;
-  const loadedSchedule = loadedSchedules[blenderId]
-    ? loadedSchedules[blenderId]
-    : null;
   const costSchedules = data.data["cost_schedules"]["cost_schedules"];
   if (costSchedules.length === 0) {
     return;
@@ -309,17 +317,10 @@ function handleCostSchedulesData(data) {
     );
     costScheduleDiv.append(card);
   });
-  loadedSchedule ? CostUI.highlightElement("schedule-" + loadedSchedule) : null;
 }
 
 function handleCostItemsData(data) {
   const costScheduleId = data.data["cost_items"]["schedule_data"][0]["id"];
-  const cards = document.querySelectorAll("[id^='schedule-']");
-  cards.forEach((card) => {
-    card.classList.remove("highlighted");
-  });
-  CostUI.highlightElement("schedule-" + costScheduleId);
-  loadedSchedules[data.blenderId] = costScheduleId;
   const currency = data.data["cost_items"]["currency"]
     ? data.data["cost_items"]["currency"]["name"]
     : "Undefined";
@@ -338,6 +339,7 @@ function handleCostItemsData(data) {
       enableEditingQuantities: enableEditingQuantities,
       addSumCostValue: addSumCostValue,
       enableEditingClassification: enableEditingClassification,
+      assignCostValues: assignCostValues,
     },
   });
 }
diff --git a/src/bonsai/bonsai/bim/data/webui/static/js/utilities/costui.js b/src/bonsai/bonsai/bim/data/webui/static/js/utilities/costui.js
index bdcfc530c7..29bb270351 100644
--- a/src/bonsai/bonsai/bim/data/webui/static/js/utilities/costui.js
+++ b/src/bonsai/bonsai/bim/data/webui/static/js/utilities/costui.js
@@ -70,66 +70,78 @@ export class CostUI {
     handleButtonClick(editCostValuesButton, callbacks.enableEditingCostValues);
     handleButtonClick(addButton, callbacks.addCostItem);
     handleButtonClick(deleteCostItemButton, callbacks.deleteCostItem);
-
-    addTableListeners(callbacks);
-
-    function addTableListeners(callbacks) {
-      function getColumnNames(tableId) {
-        const table = document.getElementById(tableId);
-        const headerRow = table.querySelector("thead tr");
-        return Array.from(headerRow.children).map((headerCell) =>
-          headerCell.textContent.trim()
-        );
-      }
-      document
-        .getElementById("cost-items")
-        .addEventListener("click", function (event) {
-          const targetRow = event.target.closest("tr");
-          const targetCell = event.target.closest("td");
-          if (targetRow && targetCell) {
-            const columnIndex = Array.from(targetRow.children).indexOf(
-              targetCell
-            );
-            const tableId = targetRow.parentElement.parentElement.id;
-            const costItemId = parseInt(targetRow.getAttribute("id"));
-            const columnName = getColumnNames(tableId)[columnIndex];
-            if (
-              (columnName.includes("Cost") || columnName.includes("Rate")) &&
-              !columnName.includes("Total")
-            ) {
-              callbacks.enableEditingCostValues
-                ? callbacks.enableEditingCostValues(costItemId)
-                : null;
-            }
-            if (columnName === "Quantity") {
-              callbacks.enableEditingQuantities
-                ? callbacks.enableEditingQuantities(costItemId)
-                : null;
-            }
-            if (columnName === "Classification") {
-              callbacks.enableEditingClassification
-                ? callbacks.enableEditingClassification(costItemId)
-                : null;
-            }
-          }
-        });
-    }
   }
 
-  static getColumnPreferences() {
-    const preferences = localStorage.getItem("columnPreferences");
-    return preferences
-      ? JSON.parse(preferences)
-      : {
-          ID: true,
-          Name: true,
-          Quantity: true,
-          Unit: true,
-          Cost: true,
-          TotalCost: true,
-          Classification: true,
-          Actions: true,
-        };
+  static addTableCallbacks(callbacks, table) {
+    if (table.listenersAdded) {
+      return;
+    }
+
+    function getColumnNames(tableId) {
+      const table = document.getElementById(tableId);
+      const headerRow = table.querySelector("thead tr");
+      return Array.from(headerRow.children).map((headerCell) =>
+        headerCell.textContent.trim()
+      );
+    }
+
+    function addTableListeners(callbacks) {
+      table.addEventListener("click", function (event) {
+        const targetRow = event.target.closest("tr");
+        const targetCell = event.target.closest("td");
+        if (targetRow && targetCell) {
+          const columnIndex = Array.from(targetRow.children).indexOf(
+            targetCell
+          );
+          const tableId = table.id;
+          const costItemId = parseInt(targetRow.getAttribute("id"));
+          const columnName = getColumnNames(tableId)[columnIndex];
+
+          if (
+            (columnName.includes("Cost") || columnName.includes("Rate")) &&
+            !columnName.includes("Total") &&
+            !columnName.includes("Linked")
+          ) {
+            callbacks.enableEditingCostValues
+              ? callbacks.enableEditingCostValues(costItemId)
+              : null;
+          }
+
+          if (columnName === "Quantity") {
+            callbacks.enableEditingQuantities
+              ? callbacks.enableEditingQuantities(costItemId)
+              : null;
+          }
+
+          if (columnName === "Classification") {
+            callbacks.enableEditingClassification
+              ? callbacks.enableEditingClassification(costItemId)
+              : null;
+          }
+
+          if (columnName === "Linked Rate") {
+            if (!targetRow.isRate) {
+              if (targetCell.classList.contains("selected-cell")) {
+                document.selectedCostItems = document.selectedCostItems.filter(
+                  (costItem) => costItem !== targetRow.id
+                );
+                targetCell.classList.remove("selected-cell");
+              } else {
+                document.selectedCostItems.push(targetRow.id);
+                targetCell.classList.add("selected-cell");
+              }
+            }
+          }
+        }
+      });
+    }
+
+    if (!document.selectedCostItems) {
+      document.selectedCostItems = [];
+    }
+    document.selectedCostItems = [];
+    addTableListeners(callbacks);
+    table.listenersAdded = true;
   }
 
   static addSettingsMenu() {
@@ -154,7 +166,14 @@ export class CostUI {
   static createColumnSelector() {
     const columnSelector = document.createElement("div");
     columnSelector.id = "column-selector";
-    const columns = ["ID", "Quantity", "Unit", "Classification", "Actions"];
+    const columns = [
+      "Identification",
+      "Quantity",
+      "Unit",
+      "Classification",
+      "Actions",
+      "Linked Rate",
+    ];
     columns.forEach((column) => {
       const label = document.createElement("label");
       const input = document.createElement("input");
@@ -181,6 +200,23 @@ export class CostUI {
     localStorage.setItem("columnPreferences", JSON.stringify(preferences));
   }
 
+  static getColumnPreferences() {
+    const preferences = localStorage.getItem("columnPreferences");
+    return preferences
+      ? JSON.parse(preferences)
+      : {
+          Identification: true,
+          Name: true,
+          Quantity: true,
+          Unit: true,
+          Cost: true,
+          TotalCost: true,
+          Classification: true,
+          CostRate: true,
+          Actions: true,
+        };
+  }
+
   static updateColumnVisibility(preferences) {
     const tables = document.querySelectorAll("table[id^='cost-items-']");
     tables.forEach((table) => {
@@ -352,6 +388,7 @@ export class CostUI {
       currency,
       callbacks,
     });
+    this.addTableCallbacks(callbacks, table);
     if (costSchedule["cost_items"].length === 0) {
       const tr = document.createElement("tr");
       const td = document.createElement("td");
@@ -439,11 +476,8 @@ export class CostUI {
         const cells = row.querySelectorAll("td, th");
         let rowText = [];
 
-        console.log();
-
         if (CostUI.getCostItemRow(row.id)) {
           const costItem = CostUI.getCostItemRow(row.id);
-          console.log(costItem.nestingLevel);
           rowText.push(costItem.nestingLevel);
         } else {
           rowText.push("Hierarchy Level");
@@ -510,7 +544,6 @@ export class CostUI {
 
       const callback = () => {
         tableWrapper.remove();
-        CostUI.unhighlightElement("schedule-" + id);
       };
       let closeButton = CostUI.createCloseButton(callback);
       tableHeader.appendChild(text);
@@ -520,26 +553,36 @@ export class CostUI {
     const table = document.createElement("table");
     table.id = "cost-items-" + id;
     const tbody = document.createElement("tbody");
-    const columnHeaders = [
-      { name: "ID", visible: preferences.ID },
+    let columnHeaders = [
+      { name: "Identification", visible: preferences.Identification },
       { name: "Name", visible: preferences.Name },
       { name: "Quantity", visible: preferences.Quantity },
       { name: "Unit", visible: preferences.Unit },
       { name: "Cost (" + currency + ")", visible: preferences.Cost },
       { name: "Total Cost (" + currency + ")", visible: preferences.TotalCost },
       { name: "Classification", visible: preferences.Classification },
+      { name: "Linked Rate", visible: preferences.CostRate },
       { name: "Actions", visible: preferences.Actions },
     ];
+
     if (isScheduleOfRates) {
-      columnHeaders.splice(2, 1);
-      columnHeaders[3] = {
-        name: "Rate (" + currency + ")",
-        visible: preferences.Cost,
-      };
-      columnHeaders[4] = {
-        name: "Total Rate (" + currency + ")",
-        visible: preferences.TotalCost,
-      };
+      columnHeaders = columnHeaders.filter(
+        (header) => header.name !== "Quantity"
+      );
+      columnHeaders = columnHeaders.filter(
+        (header) => header.name !== "Linked Rate"
+      );
+      columnHeaders = columnHeaders.map((header) => {
+        if (header.name === "Unit") {
+          return { name: "Rate (" + currency + ")", visible: preferences.Cost };
+        } else if (header.name === "Cost (" + currency + ")") {
+          return {
+            name: "Total Rate (" + currency + ")",
+            visible: preferences.TotalCost,
+          };
+        }
+        return header;
+      });
     }
     const thead = document.createElement("thead");
     const tr = document.createElement("tr");
@@ -597,9 +640,9 @@ export class CostUI {
     const identification = costItem.Identification
       ? costItem.Identification
       : "XXX";
-    if (preferences.ID) {
+    if (preferences.Identification) {
       const idCell = CostUI.createTableCell(identification);
-      idCell.setAttribute("data-column", "ID");
+      idCell.setAttribute("data-column", "Identification");
       row.appendChild(idCell);
     }
 
@@ -633,7 +676,11 @@ export class CostUI {
         totalCostQuantityCell.classList.add("clickable-cell");
       }
       if (preferences.Unit) {
-        const unitSymbolCell = CostUI.createTableCell(costItem.UnitSymbol);
+        let symbol = costItem.UnitSymbol;
+        if (symbol === "-" && costItem.UnitBasisUnitSymbol) {
+          symbol = costItem.UnitBasisUnitSymbol;
+        }
+        const unitSymbolCell = CostUI.createTableCell(symbol);
         unitSymbolCell.setAttribute("data-column", "Unit");
         row.appendChild(unitSymbolCell);
       }
@@ -670,8 +717,28 @@ export class CostUI {
       ClassificationCell.textContent = string_List;
     }
 
+    let costRateName = " ";
+    let costItemRateId;
+    if (costItem.CostRate.id !== null) {
+      costItemRateId = costItem.CostRate.id;
+      const costItemRateName = costItem.CostRate.Name;
+      const costItemRateIdentification = costItem.CostRate.Identification;
+      costRateName = costItemRateIdentification + " - " + costItemRateName;
+    }
+
+    if (preferences.CostRate && !isScheduleOfRates) {
+      const costRateCell = CostUI.createTableCell(costRateName);
+      costRateCell.classList.add("rate-cell", "clickable-cell");
+      costRateCell.setAttribute("data-column", "Linked Rate");
+      row.appendChild(costRateCell);
+    }
+
     if (preferences.Actions) {
-      const actionsCell = CostUI.costItemActions(costItem, callbacks);
+      const actionsCell = CostUI.costItemActions(
+        costItem,
+        isScheduleOfRates,
+        callbacks
+      );
       actionsCell.setAttribute("data-column", "Actions");
       actionsCell.classList.add("actions-column");
       row.appendChild(actionsCell);
@@ -946,7 +1013,12 @@ export class CostUI {
     return div;
   }
 
-  static costItemActions(costItem, callbacks) {
+  static getSelectedCostItems() {
+    const selectedCostItems = document.selectedCostItems || [];
+    return selectedCostItems.map((item) => parseInt(item, 10));
+  }
+
+  static costItemActions(costItem, isScheduleOfRates, callbacks) {
     const divFlex = document.createElement("div");
     divFlex.classList.add("row-container");
     const addCostItem = CostUI.addCostItemButton(
@@ -965,12 +1037,22 @@ export class CostUI {
       costItem.id,
       callbacks.duplicateCostItem
     );
-
-    [addCostItem, duplicateButton, selectButton, deleteButton].forEach(
-      (button) => {
-        divFlex.appendChild(button);
-      }
+    const assignCostItemButton = CostUI.createButton(
+      "Assign",
+      "fa-solid fa-link"
     );
+    assignCostItemButton.addEventListener("click", function () {
+      callbacks.assignCostValues(costItem.id);
+    });
+
+    let buttons = [addCostItem, duplicateButton, selectButton, deleteButton];
+    if (isScheduleOfRates) {
+      buttons.push(assignCostItemButton);
+    }
+
+    buttons.forEach((button) => {
+      divFlex.appendChild(button);
+    });
 
     const actionsCell = document.createElement("td");
     actionsCell.appendChild(divFlex);
@@ -1107,12 +1189,13 @@ export class CostUI {
     return success;
   }
 
-  static createCard(id, title, mainContainer, callback) {
+  static createCard(id, title, cardBody, callback) {
     const card = document.createElement("div");
     card.classList.add("card");
     card.id = "schedule-" + id;
 
-    const cardBody = document.createElement("div");
+    const cardContainer = document.createElement("div");
+    cardContainer.classList.add("card-body");
     cardBody.classList.add("card-body");
 
     const cardTitle = CostUI.Text(
@@ -1120,15 +1203,16 @@ export class CostUI {
       "fa-solid fa-money-bill-wave",
       "large"
     );
-    cardTitle.classList.add("card-title");
+    cardTitle.classList.add("card-header");
 
     const cardButton = CostUI.createButton("Load", "fa-solid fa-arrows-rotate");
     cardButton.addEventListener("click", callback);
+    cardTitle.appendChild(cardButton);
 
-    cardBody.appendChild(cardTitle);
-    cardBody.appendChild(mainContainer);
-    cardBody.appendChild(cardButton);
-    card.appendChild(cardBody);
+    card.appendChild(cardTitle);
+    card.appendChild(cardContainer);
+
+    cardContainer.appendChild(cardBody);
 
     return card;
   }
@@ -2714,7 +2798,6 @@ export class CostUI {
     const classificationContainer = document.createElement("div");
     classificationContainer.classList.add("classification-container");
     classificationList.appendChild(classificationContainer);
-    console.log(costClassifications);
     if (costClassifications.length === 0) {
       const text = "No classifications available";
       const noDataMessage = this.Text(
@@ -2738,12 +2821,6 @@ export class CostUI {
           "click",
           function (event) {
             event.preventDefault();
-            console.log(
-              "Remove classification reference from",
-              costItemId,
-              "Classificaition Id",
-              classification.id
-            );
             callbacks.removeClassificationReference(
               costItemId,
               classification.id
@@ -2819,7 +2896,6 @@ export class CostUI {
     formContainer.appendChild(container);
 
     if (!classificationElements || classificationElements.length === 0) {
-      console.log("No data available");
       const text =
         "No data available  - please activate a classification file with BonsaiBIM ";
       const noDataMessage = this.Text(
diff --git a/src/bonsai/bonsai/tool/cost.py b/src/bonsai/bonsai/tool/cost.py
index c3c0bf59d2..cfc393b9ea 100644
--- a/src/bonsai/bonsai/tool/cost.py
+++ b/src/bonsai/bonsai/tool/cost.py
@@ -667,11 +667,7 @@ class Cost(bonsai.core.tool.Cost):
 
     @classmethod
     def get_cost_schedule(cls, cost_item: ifcopenshell.entity_instance) -> ifcopenshell.entity_instance:
-        for rel in cost_item.HasAssignments or []:
-            if rel.is_a("IfcRelAssignsToControl") and rel.RelatingControl.is_a("IfcCostSchedule"):
-                return rel.RelatingControl
-        for rel in cost_item.Nests or []:
-            return cls.get_cost_schedule(rel.RelatingObject)
+        return ifcopenshell.util.cost.get_cost_schedule(cost_item)
 
     @classmethod
     def is_cost_schedule_active(cls, cost_schedule: ifcopenshell.entity_instance) -> bool:
diff --git a/src/bonsai/bonsai/tool/web.py b/src/bonsai/bonsai/tool/web.py
index 221645ab9d..c3c9270f3d 100644
--- a/src/bonsai/bonsai/tool/web.py
+++ b/src/bonsai/bonsai/tool/web.py
@@ -594,6 +594,13 @@ class Web(bonsai.core.tool.Web):
                     data_key="message",
                     event="message",
                 )
+        if operator_data["type"] == "assignCostValues":
+            cost_rate = ifc_file.by_id(operator_data["costRateId"])
+            cost_schedule = tool.Cost.get_cost_schedule(ifc_file.by_id(operator_data["costItemIds"][0]))
+            for cost_item_id in operator_data["costItemIds"]:
+                cost_item = ifc_file.by_id(cost_item_id)
+                tool.Ifc.run("cost.assign_cost_value", cost_item=cost_item, cost_rate=cost_rate)
+            cls.load_cost_schedule_web_ui(cost_schedule)
 
     @classmethod
     def load_cost_item_quantities_ui(cls, cost_item: ifcopenshell.entity_instance) -> None:
diff --git a/src/ifc5d/ifc5d/ifc2json.py b/src/ifc5d/ifc5d/ifc2json.py
index f0bf63159d..fae04126af 100644
--- a/src/ifc5d/ifc5d/ifc2json.py
+++ b/src/ifc5d/ifc5d/ifc2json.py
@@ -55,11 +55,17 @@ class ifc5D2json:
         self.extract_cost_item_quantities(cost_item, data)
         self.populate_cost_values(cost_item, data)
         self.populate_nesting_index(cost_item, data)
+        cost_rate = ifcopenshell.util.cost.get_cost_rate(self.file, cost_item)
         data = {**data, **cost_item.get_info(recursive=True)}
         data["id"] = cost_item.id()
         data["IsNestedBy"] = []
         data["IsSum"] = self.check_if_cost_item_is_sum(cost_item)
         data["Classification"] = self.get_cost_classifications(cost_item)
+        data["CostRate"] = {
+            "id": cost_rate.id() if cost_rate else None,
+            "Identification": cost_rate.Identification if cost_rate else None,
+            "Name": cost_rate.Name if cost_rate else None,
+        }
         json_data.append(data)
         for rel in cost_item.IsNestedBy or []:
             for sub_cost in rel.RelatedObjects:
diff --git a/src/ifcopenshell-python/ifcopenshell/util/cost.py b/src/ifcopenshell-python/ifcopenshell/util/cost.py
index d1990c5c48..cf320031d2 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/cost.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/cost.py
@@ -307,6 +307,34 @@ def get_product_quantity_names(elements: list[ifcopenshell.entity_instance]) ->
     return [n for n in names if n != "id"]
 
 
+def get_cost_schedule(cost_item: ifcopenshell.entity_instance) -> ifcopenshell.entity_instance:
+    """Returns the cost schedule of a cost item.
+    """
+    for rel in cost_item.HasAssignments or []:
+        if rel.is_a("IfcRelAssignsToControl") and rel.RelatingControl.is_a("IfcCostSchedule"):
+            return rel.RelatingControl
+    for rel in cost_item.Nests or []:
+        return get_cost_schedule(rel.RelatingObject)
+
+
+def get_cost_rate(
+    file: ifcopenshell_wrapper.file, cost_item: ifcopenshell.entity_instance
+) -> Optional[ifcopenshell.entity_instance]:
+    """Returns the cost rate of a cost item.
+
+    """
+    # There is no direct relationship between a cost item and a cost rate in IFC, so we need to infer it, based on the assumption that cost_rate.CostValues == cost_item.CostValues.
+    if get_cost_schedule(cost_item).PredefinedType == "SCHEDULEOFRATES":
+        return None # Cost item is already a cost rate
+    if cost_item.CostValues:
+        potential_rates = file.get_inverse(cost_item.CostValues[0])
+        for potential_rate in potential_rates:
+            schedule = get_cost_schedule(potential_rate)
+            if schedule.PredefinedType == "SCHEDULEOFRATES":
+                return potential_rate
+    return None
+
+
 class CostValueUnserialiser:
     def parse(self, formula: str):
         l = lark.Lark(