diff --git a/app/Jobs/Util/ReminderJob.php b/app/Jobs/Util/ReminderJob.php
index 23875c3f6c9a..90dd5e35fe8e 100644
--- a/app/Jobs/Util/ReminderJob.php
+++ b/app/Jobs/Util/ReminderJob.php
@@ -215,7 +215,7 @@ class ReminderJob implements ShouldQueue
         $client = $client->fresh();
 
         nlog('adjusting client balance and invoice balance by #'.$invoice->number.' '.($invoice->balance - $temp_invoice_balance));
-        $client->service()->updateBalance($invoice->balance - $temp_invoice_balance)->save();
+        $client->service()->updateBalance($invoice->balance - $temp_invoice_balance);
         $invoice->ledger()->updateInvoiceBalance($invoice->balance - $temp_invoice_balance, "Late Fee Adjustment for invoice {$invoice->number}");
 
         $transaction = [
diff --git a/app/Models/Company.php b/app/Models/Company.php
index 407cdb5ce827..37d4814e4da0 100644
--- a/app/Models/Company.php
+++ b/app/Models/Company.php
@@ -125,6 +125,7 @@ class Company extends BaseModel
         'invoice_task_project',
         'report_include_deleted',
         'invoice_task_lock',
+        'use_vendor_currency',
     ];
 
     protected $hidden = [
diff --git a/app/Models/PurchaseOrder.php b/app/Models/PurchaseOrder.php
index 851822e09841..5ef33b62dc34 100644
--- a/app/Models/PurchaseOrder.php
+++ b/app/Models/PurchaseOrder.php
@@ -79,7 +79,8 @@ class PurchaseOrder extends BaseModel
         'partial',
         'paid_to_date',
         'vendor_id',
-        'last_viewed'
+        'last_viewed',
+        'currency_id',
     ];
 
     protected $casts = [
diff --git a/app/Services/Client/ClientService.php b/app/Services/Client/ClientService.php
index a4d033c34559..6ffec56c2046 100644
--- a/app/Services/Client/ClientService.php
+++ b/app/Services/Client/ClientService.php
@@ -29,7 +29,6 @@ class ClientService
 
     public function updateBalance(float $amount)
     {
-        // $this->client->balance += $amount;
 
         \DB::connection(config('database.default'))->transaction(function () use($amount) {
 
@@ -44,8 +43,6 @@ class ClientService
 
     public function updateBalanceAndPaidToDate(float $balance, float $paid_to_date)
     {
-        // $this->client->balance += $amount;
-        // $this->client->paid_to_date += $amount;
 
         \DB::connection(config('database.default'))->transaction(function () use($balance, $paid_to_date) {
 
diff --git a/app/Services/Invoice/InvoiceService.php b/app/Services/Invoice/InvoiceService.php
index 0717804d7048..9a0efc7347d9 100644
--- a/app/Services/Invoice/InvoiceService.php
+++ b/app/Services/Invoice/InvoiceService.php
@@ -117,7 +117,7 @@ class InvoiceService
     public function applyPayment(Payment $payment, float $payment_amount)
     {
         // $this->deletePdf();
-        $this->invoice = $this->markSent();
+        $this->invoice = $this->markSent()->save();
 
         $this->invoice = (new ApplyPayment($this->invoice, $payment, $payment_amount))->run();
 
diff --git a/app/Transformers/CompanyTransformer.php b/app/Transformers/CompanyTransformer.php
index 0651bc1eb7c6..1b47cdbd5b62 100644
--- a/app/Transformers/CompanyTransformer.php
+++ b/app/Transformers/CompanyTransformer.php
@@ -189,6 +189,7 @@ class CompanyTransformer extends EntityTransformer
             'invoice_task_project' => (bool) $company->invoice_task_project,
             'report_include_deleted' => (bool) $company->report_include_deleted,
             'invoice_task_lock' => (bool) $company->invoice_task_lock,
+            'use_vendor_currency' => (bool) $company->use_vendor_currency,
         ];
     }
 
diff --git a/app/Transformers/PurchaseOrderTransformer.php b/app/Transformers/PurchaseOrderTransformer.php
index fd0684c76c08..d444addf07d7 100644
--- a/app/Transformers/PurchaseOrderTransformer.php
+++ b/app/Transformers/PurchaseOrderTransformer.php
@@ -132,6 +132,7 @@ class PurchaseOrderTransformer extends EntityTransformer
             'paid_to_date' => (float)$purchase_order->paid_to_date,
             'subscription_id' => $this->encodePrimaryKey($purchase_order->subscription_id),
             'expense_id' => $this->encodePrimaryKey($purchase_order->expense_id),
+            'currency_id' => $purchase_order->currency_id ? (string) $purchase_order->currency_id : '',
         ];
     }
 
diff --git a/database/migrations/2022_11_22_215618_lock_tasks_when_invoiced.php b/database/migrations/2022_11_22_215618_lock_tasks_when_invoiced.php
index 00c1925cb016..30bb7f57261c 100644
--- a/database/migrations/2022_11_22_215618_lock_tasks_when_invoiced.php
+++ b/database/migrations/2022_11_22_215618_lock_tasks_when_invoiced.php
@@ -22,6 +22,12 @@ return new class extends Migration
         Schema::table('companies', function (Blueprint $table)
         {
             $table->boolean('invoice_task_lock')->default(false);
+            $table->boolean('use_vendor_currency')->default(false);
+        });
+
+        Schema::table('purchase_orders', function (Blueprint $table)
+        {
+            $table->unsignedInteger('currency_id')->nullable();
         });
 
         Schema::table('bank_transactions', function (Blueprint $table)