diff --git a/App/pelagia-portal/app/(portal)/admin/accounts/page.tsx b/App/pelagia-portal/app/(portal)/admin/accounts/page.tsx
index 21e86a8..ac1ad56 100644
--- a/App/pelagia-portal/app/(portal)/admin/accounts/page.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/accounts/page.tsx
@@ -20,7 +20,7 @@ export default async function AdminAccountsPage() {
   return (
     <div>
       <div className="mb-6 flex items-center justify-between">
-        <h1 className="text-2xl font-semibold text-neutral-900">Account / Cost Centre Management</h1>
+        <h1 className="text-2xl font-semibold text-neutral-900">Account Management</h1>
         <AddAccountButton />
       </div>
 
diff --git a/App/pelagia-portal/app/(portal)/admin/sites/[id]/page.tsx b/App/pelagia-portal/app/(portal)/admin/sites/[id]/page.tsx
index 1023d1e..8cd329d 100644
--- a/App/pelagia-portal/app/(portal)/admin/sites/[id]/page.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/sites/[id]/page.tsx
@@ -110,7 +110,7 @@ export default async function SiteDetailPage({ params }: Props) {
       {/* Summary cards */}
       <div className="grid grid-cols-3 gap-4">
         <div className="rounded-lg border border-neutral-200 bg-white px-5 py-4">
-          <p className="text-xs text-neutral-500 mb-1">Assigned Vessels</p>
+          <p className="text-xs text-neutral-500 mb-1">Assigned Cost Centres</p>
           <p className="text-2xl font-semibold text-neutral-900">{site.vessels.length}</p>
         </div>
         <div className="rounded-lg border border-neutral-200 bg-white px-5 py-4">
diff --git a/App/pelagia-portal/app/(portal)/admin/sites/page.tsx b/App/pelagia-portal/app/(portal)/admin/sites/page.tsx
index f1b3e06..ec966cc 100644
--- a/App/pelagia-portal/app/(portal)/admin/sites/page.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/sites/page.tsx
@@ -41,7 +41,7 @@ export default async function SitesPage() {
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Name</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Code</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Address</th>
-              <th className="px-4 py-3 text-right font-medium text-neutral-600">Vessels</th>
+              <th className="px-4 py-3 text-right font-medium text-neutral-600">Cost Centres</th>
               <th className="px-4 py-3 text-right font-medium text-neutral-600">Items tracked</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Location</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Status</th>
diff --git a/App/pelagia-portal/app/(portal)/admin/vessels/[id]/page.tsx b/App/pelagia-portal/app/(portal)/admin/vessels/[id]/page.tsx
index b18e7e2..8c6482a 100644
--- a/App/pelagia-portal/app/(portal)/admin/vessels/[id]/page.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/vessels/[id]/page.tsx
@@ -11,7 +11,7 @@ interface Props { params: Promise<{ id: string }> }
 export async function generateMetadata({ params }: Props): Promise<Metadata> {
   const { id } = await params;
   const v = await db.vessel.findUnique({ where: { id }, select: { name: true } });
-  return { title: v?.name ?? "Vessel Detail" };
+  return { title: v?.name ?? "Cost Centre Detail" };
 }
 
 export default async function VesselDetailPage({ params }: Props) {
@@ -47,7 +47,7 @@ export default async function VesselDetailPage({ params }: Props) {
   return (
     <div className="max-w-5xl space-y-6">
       <div className="flex items-center gap-2 text-sm text-neutral-500">
-        <Link href="/admin/vessels" className="hover:text-neutral-700">Vessels</Link>
+        <Link href="/admin/vessels" className="hover:text-neutral-700">Cost Centres</Link>
         <span>/</span>
         <span className="text-neutral-900 font-medium">{vessel.name}</span>
       </div>
@@ -63,7 +63,7 @@ export default async function VesselDetailPage({ params }: Props) {
           <h1 className="text-2xl font-semibold text-neutral-900">{vessel.name}</h1>
           {vessel.site && (
             <p className="mt-1 text-sm text-neutral-500">
-              Home port: <Link href={`/admin/sites/${vessel.site.id}`} className="text-primary-600 hover:underline">{vessel.site.name}</Link>
+              Home site: <Link href={`/admin/sites/${vessel.site.id}`} className="text-primary-600 hover:underline">{vessel.site.name}</Link>
             </p>
           )}
         </div>
diff --git a/App/pelagia-portal/app/(portal)/admin/vessels/page.tsx b/App/pelagia-portal/app/(portal)/admin/vessels/page.tsx
index f72598e..6c78e35 100644
--- a/App/pelagia-portal/app/(portal)/admin/vessels/page.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/vessels/page.tsx
@@ -7,7 +7,7 @@ import { ConfirmDeleteButton } from "@/components/ui/confirm-delete-button";
 import { deleteVessel } from "./actions";
 import type { Metadata } from "next";
 
-export const metadata: Metadata = { title: "Vessel Management" };
+export const metadata: Metadata = { title: "Cost Centre Management" };
 
 export default async function AdminVesselsPage() {
   const session = await auth();
@@ -20,7 +20,7 @@ export default async function AdminVesselsPage() {
   return (
     <div>
       <div className="mb-6 flex items-center justify-between">
-        <h1 className="text-2xl font-semibold text-neutral-900">Vessel Management</h1>
+        <h1 className="text-2xl font-semibold text-neutral-900">Cost Centre Management</h1>
         <AddVesselButton />
       </div>
 
@@ -63,7 +63,7 @@ export default async function AdminVesselsPage() {
             ))}
             {vessels.length === 0 && (
               <tr>
-                <td colSpan={4} className="px-4 py-8 text-center text-neutral-400">No vessels yet.</td>
+                <td colSpan={4} className="px-4 py-8 text-center text-neutral-400">No cost centres yet.</td>
               </tr>
             )}
           </tbody>
diff --git a/App/pelagia-portal/app/(portal)/admin/vessels/vessel-form.tsx b/App/pelagia-portal/app/(portal)/admin/vessels/vessel-form.tsx
index 15470bd..c9930b9 100644
--- a/App/pelagia-portal/app/(portal)/admin/vessels/vessel-form.tsx
+++ b/App/pelagia-portal/app/(portal)/admin/vessels/vessel-form.tsx
@@ -16,7 +16,7 @@ function VesselFormFields({ vessel }: { vessel?: VesselRow }) {
   return (
     <div className="space-y-3">
       <div>
-        <label className="block text-xs font-medium text-neutral-700 mb-1">Vessel Name *</label>
+        <label className="block text-xs font-medium text-neutral-700 mb-1">Cost Centre Name *</label>
         <input name="name" defaultValue={vessel?.name} required
           className="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-primary-500/20" />
       </div>
@@ -49,9 +49,9 @@ export function AddVesselButton() {
     <>
       <button onClick={() => setOpen(true)}
         className="rounded-lg bg-primary-600 px-4 py-2.5 text-sm font-semibold text-white hover:bg-primary-700 transition-colors">
-        + Add Vessel
+        + Add Cost Centre
       </button>
-      <AdminDialog title="Add Vessel" open={open} onClose={() => setOpen(false)}>
+      <AdminDialog title="Add Cost Centre" open={open} onClose={() => setOpen(false)}>
         <form onSubmit={handleSubmit} className="space-y-4">
           <VesselFormFields />
           {error && <p className="text-sm text-danger-700 bg-danger-50 rounded-lg px-3 py-2">{error}</p>}
@@ -62,7 +62,7 @@ export function AddVesselButton() {
             </button>
             <button type="submit" disabled={pending}
               className="rounded-lg bg-primary-600 px-4 py-2 text-sm font-semibold text-white hover:bg-primary-700 disabled:opacity-60">
-              {pending ? "Creating…" : "Create Vessel"}
+              {pending ? "Creating…" : "Create Cost Centre"}
             </button>
           </div>
         </form>
@@ -108,7 +108,7 @@ export function EditVesselButton({ vessel }: { vessel: VesselRow }) {
           {toggling ? "…" : vessel.isActive ? "Deactivate" : "Activate"}
         </button>
       </div>
-      <AdminDialog title="Edit Vessel" open={open} onClose={() => setOpen(false)}>
+      <AdminDialog title="Edit Cost Centre" open={open} onClose={() => setOpen(false)}>
         <form onSubmit={handleSubmit} className="space-y-4">
           <VesselFormFields vessel={vessel} />
           {error && <p className="text-sm text-danger-700 bg-danger-50 rounded-lg px-3 py-2">{error}</p>}
diff --git a/App/pelagia-portal/app/(portal)/approvals/[id]/manager-edit-po-form.tsx b/App/pelagia-portal/app/(portal)/approvals/[id]/manager-edit-po-form.tsx
index b78d630..d86e689 100644
--- a/App/pelagia-portal/app/(portal)/approvals/[id]/manager-edit-po-form.tsx
+++ b/App/pelagia-portal/app/(portal)/approvals/[id]/manager-edit-po-form.tsx
@@ -150,13 +150,13 @@ export function ManagerEditPoForm({ po, vessels, accounts, vendors }: Props) {
               <input name="title" required defaultValue={po.title} className={INPUT} />
             </div>
             <div>
-              <label className={LABEL}>Vessel <span className="text-danger">*</span></label>
+              <label className={LABEL}>Cost Centre <span className="text-danger">*</span></label>
               <select name="vesselId" required defaultValue={po.vesselId} className={INPUT}>
                 {vessels.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
               </select>
             </div>
             <div>
-              <label className={LABEL}>Account / Cost Centre <span className="text-danger">*</span></label>
+              <label className={LABEL}>Account <span className="text-danger">*</span></label>
               <select name="accountId" required defaultValue={po.accountId} className={INPUT}>
                 {accounts.map((a) => <option key={a.id} value={a.id}>{a.name} ({a.code})</option>)}
               </select>
diff --git a/App/pelagia-portal/app/(portal)/approvals/approvals-search.tsx b/App/pelagia-portal/app/(portal)/approvals/approvals-search.tsx
index 98a58e0..cde840e 100644
--- a/App/pelagia-portal/app/(portal)/approvals/approvals-search.tsx
+++ b/App/pelagia-portal/app/(portal)/approvals/approvals-search.tsx
@@ -43,10 +43,10 @@ export function ApprovalsSearch({ vessels }: Props) {
             className="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-primary-500/20" />
         </div>
         <div>
-          <label className="block text-xs font-medium text-neutral-600 mb-1">Vessel</label>
+          <label className="block text-xs font-medium text-neutral-600 mb-1">Cost Centre</label>
           <select value={vesselId} onChange={(e) => setVesselId(e.target.value)}
             className="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-primary-500/20">
-            <option value="">All vessels</option>
+            <option value="">All cost centres</option>
             {vessels.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
           </select>
         </div>
diff --git a/App/pelagia-portal/app/(portal)/approvals/page.tsx b/App/pelagia-portal/app/(portal)/approvals/page.tsx
index 3bde612..41dc9c5 100644
--- a/App/pelagia-portal/app/(portal)/approvals/page.tsx
+++ b/App/pelagia-portal/app/(portal)/approvals/page.tsx
@@ -75,7 +75,7 @@ export default async function ApprovalsPage({ searchParams }: Props) {
                 <th className="px-4 py-3 text-left font-medium text-neutral-600">PO Number</th>
                 <th className="px-4 py-3 text-left font-medium text-neutral-600">Title</th>
                 <th className="px-4 py-3 text-left font-medium text-neutral-600">Submitter</th>
-                <th className="px-4 py-3 text-left font-medium text-neutral-600">Vessel</th>
+                <th className="px-4 py-3 text-left font-medium text-neutral-600">Cost Centre</th>
                 <th className="px-4 py-3 text-right font-medium text-neutral-600">Amount</th>
                 <th className="px-4 py-3 text-left font-medium text-neutral-600">Submitted</th>
                 <th className="px-4 py-3"></th>
diff --git a/App/pelagia-portal/app/(portal)/dashboard/page.tsx b/App/pelagia-portal/app/(portal)/dashboard/page.tsx
index 77b0a7d..878734a 100644
--- a/App/pelagia-portal/app/(portal)/dashboard/page.tsx
+++ b/App/pelagia-portal/app/(portal)/dashboard/page.tsx
@@ -190,7 +190,7 @@ async function ManagerDashboard() {
                 <tr>
                   <th className="px-4 py-3 text-left font-medium text-neutral-600">PO</th>
                   <th className="px-4 py-3 text-left font-medium text-neutral-600">Title</th>
-                  <th className="px-4 py-3 text-left font-medium text-neutral-600">Vessel</th>
+                  <th className="px-4 py-3 text-left font-medium text-neutral-600">Cost Centre</th>
                   <th className="px-4 py-3 text-left font-medium text-neutral-600">Status</th>
                   <th className="px-4 py-3 text-right font-medium text-neutral-600">Amount</th>
                   <th className="px-4 py-3 text-left font-medium text-neutral-600">Approved</th>
diff --git a/App/pelagia-portal/app/(portal)/history/history-filters.tsx b/App/pelagia-portal/app/(portal)/history/history-filters.tsx
index f3bdd28..16b4132 100644
--- a/App/pelagia-portal/app/(portal)/history/history-filters.tsx
+++ b/App/pelagia-portal/app/(portal)/history/history-filters.tsx
@@ -60,10 +60,10 @@ export function HistoryFilters({ vessels }: Props) {
             className="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-primary-500/20" />
         </div>
         <div>
-          <label className="block text-xs font-medium text-neutral-600 mb-1">Vessel</label>
+          <label className="block text-xs font-medium text-neutral-600 mb-1">Cost Centre</label>
           <select value={vesselId} onChange={(e) => setVesselId(e.target.value)}
             className="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-primary-500/20">
-            <option value="">All vessels</option>
+            <option value="">All cost centres</option>
             {vessels.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
           </select>
         </div>
diff --git a/App/pelagia-portal/app/(portal)/history/page.tsx b/App/pelagia-portal/app/(portal)/history/page.tsx
index f87c73a..e30f9c8 100644
--- a/App/pelagia-portal/app/(portal)/history/page.tsx
+++ b/App/pelagia-portal/app/(portal)/history/page.tsx
@@ -87,7 +87,7 @@ export default async function HistoryPage({ searchParams }: Props) {
             <tr>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">PO Number</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Title</th>
-              <th className="px-4 py-3 text-left font-medium text-neutral-600">Vessel</th>
+              <th className="px-4 py-3 text-left font-medium text-neutral-600">Cost Centre</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Submitter</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Status</th>
               <th className="px-4 py-3 text-right font-medium text-neutral-600">Amount</th>
diff --git a/App/pelagia-portal/app/(portal)/my-orders/page.tsx b/App/pelagia-portal/app/(portal)/my-orders/page.tsx
index 0d578f3..6c75b15 100644
--- a/App/pelagia-portal/app/(portal)/my-orders/page.tsx
+++ b/App/pelagia-portal/app/(portal)/my-orders/page.tsx
@@ -80,7 +80,7 @@ function PoTable({ title, rows, className = "" }: { title: string; rows: PoRow[]
             <tr>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">PO Number</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Title</th>
-              <th className="px-4 py-3 text-left font-medium text-neutral-600">Vessel</th>
+              <th className="px-4 py-3 text-left font-medium text-neutral-600">Cost Centre</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Status</th>
               <th className="px-4 py-3 text-right font-medium text-neutral-600">Amount</th>
               <th className="px-4 py-3 text-left font-medium text-neutral-600">Updated</th>
diff --git a/App/pelagia-portal/app/(portal)/po/[id]/edit/edit-po-form.tsx b/App/pelagia-portal/app/(portal)/po/[id]/edit/edit-po-form.tsx
index ac38071..519bd01 100644
--- a/App/pelagia-portal/app/(portal)/po/[id]/edit/edit-po-form.tsx
+++ b/App/pelagia-portal/app/(portal)/po/[id]/edit/edit-po-form.tsx
@@ -122,7 +122,7 @@ export function EditPoForm({ po, vessels, accounts, vendors }: Props) {
           </div>
           <div>
             <label className="block text-sm font-medium text-neutral-700 mb-1.5">
-              Vessel <span className="text-danger">*</span>
+              Cost Centre <span className="text-danger">*</span>
             </label>
             <select name="vesselId" required defaultValue={po.vesselId} className={INPUT_CLS}>
               <option value="">Select vessel…</option>
@@ -186,7 +186,7 @@ export function EditPoForm({ po, vessels, accounts, vendors }: Props) {
         <h2 className="text-base font-semibold text-neutral-900 mb-4">Requisition</h2>
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
           <div>
-            <label className="block text-sm font-medium text-neutral-700 mb-1.5">Vessel / Office Requisition No.</label>
+            <label className="block text-sm font-medium text-neutral-700 mb-1.5">Cost Centre / Office Requisition No.</label>
             <input name="requisitionNo" defaultValue={extPo.requisitionNo ?? ""} className={INPUT_CLS} placeholder="Optional" />
           </div>
           <div>
diff --git a/App/pelagia-portal/app/(portal)/po/import/import-form.tsx b/App/pelagia-portal/app/(portal)/po/import/import-form.tsx
index 9e2e02e..df5540a 100644
--- a/App/pelagia-portal/app/(portal)/po/import/import-form.tsx
+++ b/App/pelagia-portal/app/(portal)/po/import/import-form.tsx
@@ -179,7 +179,7 @@ export function ImportForm({ vessels, accounts, vendors }: Props) {
         <div className="grid grid-cols-2 gap-4">
           <div>
             <label className="block text-sm font-medium text-neutral-700 mb-1.5">
-              Vessel <span className="text-danger">*</span>
+              Cost Centre <span className="text-danger">*</span>
             </label>
             <select
               value={preview.vesselId}
@@ -187,13 +187,13 @@ export function ImportForm({ vessels, accounts, vendors }: Props) {
               required
               className={INPUT_CLS}
             >
-              <option value="">Select vessel…</option>
+              <option value="">Select cost centre…</option>
               {vessels.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
             </select>
           </div>
           <div>
             <label className="block text-sm font-medium text-neutral-700 mb-1.5">
-              Account / Cost Centre <span className="text-danger">*</span>
+              Account <span className="text-danger">*</span>
             </label>
             <select
               value={preview.accountId}
diff --git a/App/pelagia-portal/app/(portal)/po/new/new-po-form.tsx b/App/pelagia-portal/app/(portal)/po/new/new-po-form.tsx
index f2b0341..0f5e054 100644
--- a/App/pelagia-portal/app/(portal)/po/new/new-po-form.tsx
+++ b/App/pelagia-portal/app/(portal)/po/new/new-po-form.tsx
@@ -79,10 +79,10 @@ export function NewPoForm({ vessels, accounts, vendors }: Props) {
           </div>
           <div>
             <label className="block text-sm font-medium text-neutral-700 mb-1.5">
-              Vessel <span className="text-danger">*</span>
+              Cost Centre <span className="text-danger">*</span>
             </label>
             <select name="vesselId" required className={INPUT_CLS}>
-              <option value="">Select vessel…</option>
+              <option value="">Select cost centre…</option>
               {vessels.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
             </select>
           </div>
@@ -143,7 +143,7 @@ export function NewPoForm({ vessels, accounts, vendors }: Props) {
         <h2 className="text-base font-semibold text-neutral-900 mb-4">Requisition</h2>
         <div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
           <div>
-            <label className="block text-sm font-medium text-neutral-700 mb-1.5">Vessel / Office Requisition No.</label>
+            <label className="block text-sm font-medium text-neutral-700 mb-1.5">Cost Centre / Office Requisition No.</label>
             <input name="requisitionNo" className={INPUT_CLS} placeholder="Optional" />
           </div>
           <div>
diff --git a/App/pelagia-portal/app/api/po/[id]/export/route.ts b/App/pelagia-portal/app/api/po/[id]/export/route.ts
index 2f8efc5..7e13578 100644
--- a/App/pelagia-portal/app/api/po/[id]/export/route.ts
+++ b/App/pelagia-portal/app/api/po/[id]/export/route.ts
@@ -217,12 +217,12 @@ export async function GET(request: NextRequest, { params }: Props) {
     ws.mergeCells("G6:H6");
     sc(6, 9, piDate, { font: fBase, border: bordAll, align: alignL });
 
-    // ══ ROW 7: Vessel Owner / Budget / Requested By ═══════════════════════
+    // ══ ROW 7: Cost Centre / Account / Requested By ═══════════════════════
     ws.getRow(7).height = 14;
-    sc(7, 1, "Vessel Owner Name", { font: fBold, fill: fillLbl, border: bordAll, align: alignL });
+    sc(7, 1, "Cost Centre", { font: fBold, fill: fillLbl, border: bordAll, align: alignL });
     ws.mergeCells("A7:B7");
     sc(7, 3, "Pelagia Marine Services Pvt. Ltd.", { font: fBase, border: bordAll, align: alignL });
-    sc(7, 4, "Budget head", { font: fBold, fill: fillLbl, border: bordAll, align: alignC });
+    sc(7, 4, "Account", { font: fBold, fill: fillLbl, border: bordAll, align: alignC });
     ws.mergeCells("D7:E7");
     sc(7, 6, po.account.code, { font: fBase, border: bordAll, align: alignC });
     sc(7, 7, "Requested By", { font: fBold, fill: fillLbl, border: bordAll, align: alignC });
@@ -231,7 +231,7 @@ export async function GET(request: NextRequest, { params }: Props) {
 
     // ══ ROW 8: Requisition / Approved By ═════════════════════════════════
     ws.getRow(8).height = 14;
-    sc(8, 1, "Vessel/Office Requisition Number", { font: fBold, fill: fillLbl, border: bordAll, align: alignL });
+    sc(8, 1, "Cost Centre/Office Requisition Number", { font: fBold, fill: fillLbl, border: bordAll, align: alignL });
     ws.mergeCells("A8:B8");
     sc(8, 3, reqNo, { font: fBase, border: bordAll, align: alignL });
     sc(8, 4, "Reqn. Date", { font: fBold, fill: fillLbl, border: bordAll, align: alignC });
@@ -537,18 +537,18 @@ export async function GET(request: NextRequest, { params }: Props) {
   </tr>
 </table>
 
-<!-- ── Vessel / Budget / Requested By ───────────────────────── -->
+<!-- ── Cost Centre / Account / Requested By ──────────────────── -->
 <table class="meta" style="margin-bottom:0">
   <tr>
-    <td class="lbl" style="width:22%">Vessel Owner Name</td>
+    <td class="lbl" style="width:22%">Cost Centre</td>
     <td style="width:24%">Pelagia Marine Services Pvt. Ltd.</td>
-    <td class="lbl" style="width:12%;text-align:center">Budget head</td>
+    <td class="lbl" style="width:12%;text-align:center">Account</td>
     <td style="width:8%;text-align:center">${po.account.code}</td>
     <td class="lbl" style="width:14%">Requested By</td>
     <td style="width:20%">${po.submitter.name}</td>
   </tr>
   <tr>
-    <td class="lbl">Vessel/Office Requisition Number</td>
+    <td class="lbl">Cost Centre/Office Requisition Number</td>
     <td>${reqNo}</td>
     <td class="lbl" style="text-align:center">Reqn. Date</td>
     <td style="text-align:center">${reqDate}</td>
diff --git a/App/pelagia-portal/app/api/reports/export/route.ts b/App/pelagia-portal/app/api/reports/export/route.ts
index 1012d87..941e5c7 100644
--- a/App/pelagia-portal/app/api/reports/export/route.ts
+++ b/App/pelagia-portal/app/api/reports/export/route.ts
@@ -82,7 +82,7 @@ export async function GET(request: NextRequest) {
 <table>
   <thead>
     <tr>
-      <th>PO Number</th><th>Title</th><th>Status</th><th>Vessel</th>
+      <th>PO Number</th><th>Title</th><th>Status</th><th>Cost Centre</th>
       <th>Submitter</th><th>Vendor</th><th style="text-align:right">Amount</th><th>Created</th>
     </tr>
   </thead>
@@ -98,7 +98,7 @@ export async function GET(request: NextRequest) {
   }
 
   // Default: CSV
-  const headers = ["PO Number", "Title", "Status", "Vessel", "Account", "Vendor", "Submitter", "Amount", "Currency", "Created"];
+  const headers = ["PO Number", "Title", "Status", "Cost Centre", "Account", "Vendor", "Submitter", "Amount", "Currency", "Created"];
   const csvRows = orders.map((po) => [
     po.poNumber,
     `"${po.title.replace(/"/g, '""')}"`,
diff --git a/App/pelagia-portal/components/dashboard/spend-charts.tsx b/App/pelagia-portal/components/dashboard/spend-charts.tsx
index 9ee6fc7..c31b0e5 100644
--- a/App/pelagia-portal/components/dashboard/spend-charts.tsx
+++ b/App/pelagia-portal/components/dashboard/spend-charts.tsx
@@ -40,7 +40,7 @@ export function SpendCharts({ vesselData, monthData }: Props) {
     <div className="mt-8 grid grid-cols-1 gap-6 lg:grid-cols-2">
       {vesselData.length > 0 && (
         <div className="rounded-lg border border-neutral-200 bg-white p-5">
-          <h2 className="text-sm font-semibold text-neutral-700 mb-4">Approved Spend by Vessel (Top 5)</h2>
+          <h2 className="text-sm font-semibold text-neutral-700 mb-4">Approved Spend by Cost Centre (Top 5)</h2>
           <ResponsiveContainer width="100%" height={220}>
             <BarChart data={vesselData} margin={{ top: 4, right: 8, bottom: 4, left: 8 }}>
               <CartesianGrid strokeDasharray="3 3" stroke="#f0f0f0" vertical={false} />
diff --git a/App/pelagia-portal/components/layout/sidebar.tsx b/App/pelagia-portal/components/layout/sidebar.tsx
index deb814d..10813b3 100644
--- a/App/pelagia-portal/components/layout/sidebar.tsx
+++ b/App/pelagia-portal/components/layout/sidebar.tsx
@@ -43,7 +43,7 @@ const NAV_ITEMS: NavItem[] = [
 const INVENTORY_ITEMS: NavItem[] = [
   { href: "/admin/vendors", label: "Vendors", icon: Store, roles: ["MANAGER", "ACCOUNTS", "ADMIN"] },
   { href: "/admin/products", label: "Items", icon: Package, roles: ["MANAGER", "ADMIN"] },
-  { href: "/admin/vessels", label: "Vessels", icon: Ship, roles: ["MANAGER", "ADMIN"] },
+  { href: "/admin/vessels", label: "Cost Centres", icon: Ship, roles: ["MANAGER", "ADMIN"] },
   { href: "/admin/sites", label: "Sites", icon: MapPin, roles: ["MANAGER", "ADMIN"] },
   { href: "/inventory/cart", label: "Cart", icon: ShoppingCart, roles: ["MANAGER", "SUPERUSER", "TECHNICAL", "MANNING"] },
 ];
diff --git a/App/pelagia-portal/components/po/po-detail.tsx b/App/pelagia-portal/components/po/po-detail.tsx
index d14fece..7bc651a 100644
--- a/App/pelagia-portal/components/po/po-detail.tsx
+++ b/App/pelagia-portal/components/po/po-detail.tsx
@@ -174,8 +174,8 @@ export async function PoDetail({ po, currentUserId, currentRole, readOnly = fals
       <div className="rounded-lg border border-neutral-200 bg-white p-6">
         <h3 className="text-sm font-semibold text-neutral-900 mb-4">Order Details</h3>
         <dl className="grid grid-cols-2 gap-x-6 gap-y-3 text-sm">
-          <div><dt className="text-neutral-500">Vessel</dt><dd className="font-medium text-neutral-900">{po.vessel.name}</dd></div>
-          <div><dt className="text-neutral-500">Account / Budget Head</dt><dd className="font-medium text-neutral-900">{po.account.name} ({po.account.code})</dd></div>
+          <div><dt className="text-neutral-500">Cost Centre</dt><dd className="font-medium text-neutral-900">{po.vessel?.name ?? "—"}</dd></div>
+          <div><dt className="text-neutral-500">Account</dt><dd className="font-medium text-neutral-900">{po.account.name} ({po.account.code})</dd></div>
           <div><dt className="text-neutral-500">Requested By</dt><dd className="font-medium text-neutral-900">{po.submitter.name}</dd></div>
           {approvalAction && (
             <div><dt className="text-neutral-500">Approved By</dt><dd className="font-medium text-neutral-900">{approvalAction.actor.name}</dd></div>
diff --git a/App/pelagia-portal/lib/validations/po.ts b/App/pelagia-portal/lib/validations/po.ts
index 2f24fb6..bfb302d 100644
--- a/App/pelagia-portal/lib/validations/po.ts
+++ b/App/pelagia-portal/lib/validations/po.ts
@@ -29,7 +29,7 @@ export const TC_DEFAULTS = {
 
 export const createPoSchema = z.object({
   title: z.string().min(1, "Title is required").max(200),
-  vesselId: z.string().min(1, "Vessel is required"),
+  vesselId: z.string().min(1, "Cost Centre is required"),
   accountId: z.string().min(1, "Account is required"),
   projectCode: z.string().optional(),
   dateRequired: z.string().optional(),