diff --git a/erpnext/assets/doctype/asset/asset.js b/erpnext/assets/doctype/asset/asset.js
index 55c71729bd8..bab580d617f 100644
--- a/erpnext/assets/doctype/asset/asset.js
+++ b/erpnext/assets/doctype/asset/asset.js
@@ -80,6 +80,12 @@ frappe.ui.form.on("Asset", {
 		}
 	},
 
+	before_submit: function (frm) {
+		if (frm.doc.is_composite_asset && !frm.has_active_capitalization) {
+			frappe.throw(__("Please capitalize this asset before submitting."));
+		}
+	},
+
 	refresh: function (frm) {
 		frappe.ui.form.trigger("Asset", "is_existing_asset");
 		frm.toggle_display("next_depreciation_date", frm.doc.docstatus < 1);
@@ -197,8 +203,7 @@ frappe.ui.form.on("Asset", {
 					},
 					callback: function (r) {
 						if (!r.message) {
-							$(".primary-action").prop("hidden", true);
-							$(".form-message").text(__("Capitalize this asset to confirm"));
+							$(".form-message").text(__("Capitalize this asset before submitting."));
 
 							frm.add_custom_button(__("Capitalize Asset"), function () {
 								frm.trigger("create_asset_capitalization");
@@ -538,7 +543,6 @@ frappe.ui.form.on("Asset", {
 			callback: function (r) {
 				var doclist = frappe.model.sync(r.message);
 				frappe.set_route("Form", doclist[0].doctype, doclist[0].name);
-				$(".primary-action").prop("hidden", false);
 			},
 		});
 	},
diff --git a/erpnext/assets/doctype/asset/asset.json b/erpnext/assets/doctype/asset/asset.json
index af4d8f281e2..832f7c18e68 100644
--- a/erpnext/assets/doctype/asset/asset.json
+++ b/erpnext/assets/doctype/asset/asset.json
@@ -556,7 +556,8 @@
    "fieldtype": "Currency",
    "label": "Net Purchase Amount",
    "mandatory_depends_on": "eval:(!doc.is_composite_asset || doc.docstatus==1)",
-   "options": "Company:company:default_currency"
+   "options": "Company:company:default_currency",
+   "read_only_depends_on": "eval: doc.is_composite_asset"
   }
  ],
  "idx": 72,
@@ -600,7 +601,7 @@
    "link_fieldname": "target_asset"
   }
  ],
- "modified": "2025-11-04 22:39:00.817405",
+ "modified": "2025-12-18 16:36:40.904246",
  "modified_by": "Administrator",
  "module": "Assets",
  "name": "Asset",