diff --git a/VERSION.txt b/VERSION.txt
index 01a7765013..6896c9fb1c 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.0.17
\ No newline at end of file
+5.0.18
\ No newline at end of file
diff --git a/app/Factory/InvoiceItemFactory.php b/app/Factory/InvoiceItemFactory.php
index d370495a90..63d9f3188b 100644
--- a/app/Factory/InvoiceItemFactory.php
+++ b/app/Factory/InvoiceItemFactory.php
@@ -94,15 +94,15 @@ class InvoiceItemFactory
             $item->cost = $faker->randomFloat(2, -1, -1000);
             $item->line_total = $item->quantity * $item->cost;
             $item->is_amount_discount = true;
-            $item->discount = $faker->numberBetween(1, 10);
+            $item->discount = 0;
             $item->notes = $faker->realText(20);
             $item->product_key = $faker->word();
             $item->custom_value1 = $faker->realText(10);
             $item->custom_value2 = $faker->realText(10);
             $item->custom_value3 = $faker->realText(10);
             $item->custom_value4 = $faker->realText(10);
-            $item->tax_name1 = 'GST';
-            $item->tax_rate1 = 10.00;
+            $item->tax_name1 = '';
+            $item->tax_rate1 = 0;
             $item->type_id = "1";
 
             $data[] = $item;
diff --git a/app/Helpers/Invoice/InvoiceSum.php b/app/Helpers/Invoice/InvoiceSum.php
index 561f9480a1..c21308cdc1 100644
--- a/app/Helpers/Invoice/InvoiceSum.php
+++ b/app/Helpers/Invoice/InvoiceSum.php
@@ -288,5 +288,39 @@ class InvoiceSum
         return $this->getTotalTaxes();
     }
 
+    public function purgeTaxes()
+    {
+
+        $this->tax_rate1 = 0;
+        $this->tax_name1 = '';
+
+        $this->tax_rate2 = 0;
+        $this->tax_name2 = '';
+
+        $this->tax_rate3 = 0;
+        $this->tax_name3 = '';
+
+        $this->discount = 0;
+
+        $line_items = collect($this->invoice->line_items);
+
+        $items = $line_items->map(function ($item){
+            $item->tax_rate1 = 0;
+            $item->tax_rate2 = 0;
+            $item->tax_rate3 = 0;
+            $item->tax_name1 = '';
+            $item->tax_name2 = '';
+            $item->tax_name3 = '';
+            $item->discount = 0;
+
+            return $item;
+        });
+
+        $this->invoice->line_items = $items->toArray();
+
+        $this->build();
+
+        return $this;
+    }
 
 }
diff --git a/app/Helpers/Invoice/InvoiceSumInclusive.php b/app/Helpers/Invoice/InvoiceSumInclusive.php
index b84d409093..3887f96803 100644
--- a/app/Helpers/Invoice/InvoiceSumInclusive.php
+++ b/app/Helpers/Invoice/InvoiceSumInclusive.php
@@ -302,4 +302,9 @@ class InvoiceSumInclusive
         return $this->getTotalTaxes();
     }
 
+    public function purgeTaxes()
+    {
+
+        return $this;
+    }
 }
diff --git a/app/Models/Company.php b/app/Models/Company.php
index 4690d8c2fc..af1efb90ed 100644
--- a/app/Models/Company.php
+++ b/app/Models/Company.php
@@ -318,7 +318,7 @@ class Company extends BaseModel
         return isset($this->settings->language_id) && $this->language() ? $this->language()->locale : config('ninja.i18n.locale');
     }
 
-    public function getLogo()
+    public function getLogo() :?string
     {
         return $this->settings->company_logo ?: null;
     }
@@ -394,7 +394,6 @@ class Company extends BaseModel
 
     public function company_users()
     {
-        //return $this->hasMany(CompanyUser::class)->withTimestamps();
         return $this->hasMany(CompanyUser::class);
     }
 
diff --git a/app/Repositories/RecurringInvoiceRepository.php b/app/Repositories/RecurringInvoiceRepository.php
index 525bbc9fc6..b88aca5e83 100644
--- a/app/Repositories/RecurringInvoiceRepository.php
+++ b/app/Repositories/RecurringInvoiceRepository.php
@@ -33,7 +33,10 @@ class RecurringInvoiceRepository extends BaseRepository
 
         $invoice_calc = new InvoiceSum($invoice, $invoice->settings);
 
-        $invoice->service()->applyNumber()->save();
+        $invoice->service()
+                ->applyNumber()
+                ->createInvitations()
+                ->save();
         
         $invoice = $invoice_calc->build()->getInvoice();
 
diff --git a/app/Services/Invoice/HandleReversal.php b/app/Services/Invoice/HandleReversal.php
index 7a991f80ba..9abac432f9 100644
--- a/app/Services/Invoice/HandleReversal.php
+++ b/app/Services/Invoice/HandleReversal.php
@@ -91,7 +91,7 @@ class HandleReversal extends AbstractService
             $credit_calc = new InvoiceSum($credit);
             $credit_calc->build();
 
-            $credit = $credit_calc->getCredit();
+            $credit = $credit_calc->purgeTaxes()->getCredit();
 
             $credit->service()->markSent()->save();
         }
diff --git a/config/ninja.php b/config/ninja.php
index 7c8633f845..be29899238 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -12,7 +12,7 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/').'/',
     'app_domain' => env('APP_DOMAIN', ''),
-    'app_version' => '5.0.17',
+    'app_version' => '5.0.18',
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', ''),
diff --git a/tests/MockAccountData.php b/tests/MockAccountData.php
index b1056c2663..c6f2f659ce 100644
--- a/tests/MockAccountData.php
+++ b/tests/MockAccountData.php
@@ -333,6 +333,14 @@ trait MockAccountData
         $this->credit->amount = 10;
         $this->credit->balance = 10;
 
+        $this->credit->tax_name1 = '';
+        $this->credit->tax_name2 = '';
+        $this->credit->tax_name3 = '';
+
+        $this->credit->tax_rate1 = 0;
+        $this->credit->tax_rate2 = 0;
+        $this->credit->tax_rate3 = 0;
+        
         $this->credit->uses_inclusive_taxes = false;
 
         $this->credit->save();