diff --git a/VERSION.txt b/VERSION.txt
index d47c52353191..5c637b26e9b1 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.8.36
\ No newline at end of file
+5.8.37
\ No newline at end of file
diff --git a/app/Helpers/SwissQr/SwissQrGenerator.php b/app/Helpers/SwissQr/SwissQrGenerator.php
index 2ccc73ed3c4b..86ed38330aa2 100644
--- a/app/Helpers/SwissQr/SwissQrGenerator.php
+++ b/app/Helpers/SwissQr/SwissQrGenerator.php
@@ -159,7 +159,7 @@ class SwissQrGenerator
         // Optionally, add some human-readable information about what the bill is for.
         $qrBill->setAdditionalInformation(
             QrBill\DataGroup\Element\AdditionalInformation::create(
-                $this->invoice->public_notes ? substr($this->invoice->public_notes, 0, 139) : ctrans('texts.invoice_number_placeholder', ['invoice' => $this->invoice->number])
+                $this->invoice->public_notes ? substr(strip_tags($this->invoice->public_notes), 0, 139) : ctrans('texts.invoice_number_placeholder', ['invoice' => $this->invoice->number])
             )
         );
 
diff --git a/app/Http/Controllers/LicenseController.php b/app/Http/Controllers/LicenseController.php
index 78dec754323f..1de2b6d28370 100644
--- a/app/Http/Controllers/LicenseController.php
+++ b/app/Http/Controllers/LicenseController.php
@@ -158,7 +158,6 @@ class LicenseController extends BaseController
 
         /* Catch claim license requests */
         if (config('ninja.environment') == 'selfhost') {
-            // $response = Http::get( "http://ninja.test:8000/claim_license", [
             $response = Http::get("https://invoicing.co/claim_license", [
                 'license_key' => $license_key,
                 'product_id' => 3,
diff --git a/app/Http/Requests/Client/UpdateClientRequest.php b/app/Http/Requests/Client/UpdateClientRequest.php
index b0307d312da3..3ffea3250f05 100644
--- a/app/Http/Requests/Client/UpdateClientRequest.php
+++ b/app/Http/Requests/Client/UpdateClientRequest.php
@@ -63,7 +63,7 @@ class UpdateClientRequest extends Request
         $rules['country_id'] = 'integer|nullable|exists:countries,id';
         $rules['shipping_country_id'] = 'integer|nullable|exists:countries,id';
         $rules['classification'] = 'bail|sometimes|nullable|in:individual,business,company,partnership,trust,charity,government,other';
-        $rules['id_number'] = ['sometimes', 'bail', Rule::unique('clients')->where('company_id', $user->company()->id)->ignore($this->client->id)];
+        $rules['id_number'] = ['sometimes', 'bail', 'nullable', Rule::unique('clients')->where('company_id', $user->company()->id)->ignore($this->client->id)];
         $rules['number'] = ['sometimes', 'bail', Rule::unique('clients')->where('company_id', $user->company()->id)->ignore($this->client->id)];
 
         $rules['settings'] = new ValidClientGroupSettingsRule();
diff --git a/app/Mail/Client/ClientStatement.php b/app/Mail/Client/ClientStatement.php
index d7a131fa2f0f..b715840083ed 100644
--- a/app/Mail/Client/ClientStatement.php
+++ b/app/Mail/Client/ClientStatement.php
@@ -52,7 +52,7 @@ class ClientStatement extends Mailable
     public function content()
     {
         return new Content(
-            view: $this->data['company']->account->isPremium() ? 'email.template.client_premium' : 'email.template.client',
+            view: 'email.template.client',
             text: 'email.template.text',
             with: [
                 'text_body' => $this->data['body'],
diff --git a/app/Mail/TemplateEmail.php b/app/Mail/TemplateEmail.php
index 84814520e9db..9beac3dbe3b2 100644
--- a/app/Mail/TemplateEmail.php
+++ b/app/Mail/TemplateEmail.php
@@ -75,7 +75,8 @@ class TemplateEmail extends Mailable
         $template_name = 'email.template.'.$this->build_email->getTemplate();
 
         if ($this->build_email->getTemplate() == 'light' || $this->build_email->getTemplate() == 'dark') {
-            $template_name = $this->company->account->isPremium() ? 'email.template.client_premium' : 'email.template.client';
+            // $template_name = $this->company->account->isPremium() ? 'email.template.client_premium' : 'email.template.client';
+            $template_name = 'email.template.client';
         }
 
         if ($this->build_email->getTemplate() == 'custom') {
diff --git a/app/Mail/VendorTemplateEmail.php b/app/Mail/VendorTemplateEmail.php
index 593d711e7cf4..6a6a3a66fc7b 100644
--- a/app/Mail/VendorTemplateEmail.php
+++ b/app/Mail/VendorTemplateEmail.php
@@ -72,7 +72,8 @@ class VendorTemplateEmail extends Mailable
         $template_name = 'email.template.'.$this->build_email->getTemplate();
 
         if ($this->build_email->getTemplate() == 'light' || $this->build_email->getTemplate() == 'dark') {
-            $template_name = $this->company->account->isPremium() ? 'email.template.client_premium' : 'email.template.client';
+            // $template_name = $this->company->account->isPremium() ? 'email.template.client_premium' : 'email.template.client';
+            $template_name = 'email.template.client';
         }
 
         if ($this->build_email->getTemplate() == 'custom') {
diff --git a/app/Services/Email/EmailDefaults.php b/app/Services/Email/EmailDefaults.php
index 06835c75cda8..04b945ff47c8 100644
--- a/app/Services/Email/EmailDefaults.php
+++ b/app/Services/Email/EmailDefaults.php
@@ -107,10 +107,10 @@ class EmailDefaults
 
         match ($this->email->email_object->settings->email_style) {
             'plain' => $this->template = 'email.template.plain',
-            'light' => $this->template = $this->email->email_object->company->account->isPremium() ? 'email.template.client_premium' : 'email.template.client',
-            'dark' => $this->template = $this->email->email_object->company->account->isPremium() ? 'email.template.client_premium' :'email.template.client',
+            'light' => $this->template = 'email.template.client',
+            'dark' => $this->template = 'email.template.client',
             'custom' => $this->template = 'email.template.custom',
-            default => $this->template = $this->email->email_object->company->account->isPremium() ? 'email.template.client_premium' :'email.template.client',
+            default => $this->template = 'email.template.client',
         };
 
         $this->email->email_object->html_template = $this->template;
diff --git a/app/Utils/Number.php b/app/Utils/Number.php
index bc1739f64c9f..16e82c823194 100644
--- a/app/Utils/Number.php
+++ b/app/Utils/Number.php
@@ -86,6 +86,33 @@ class Number
         return rtrim(rtrim(number_format($value, $precision, $decimal, $thousand), '0'), $decimal);
     }
 
+    public static function parseFloat($value)
+    {
+
+        if(!$value)
+            return 0;
+
+        //remove everything except for numbers, decimals, commas and hyphens
+        $value = preg_replace('/[^0-9.,-]+/', '', $value);
+
+        $decimal = strpos($value, '.');
+        $comma = strpos($value, ',');
+
+        if($comma === false) //no comma must be a decimal number already
+            return (float) $value;
+
+        if($decimal < $comma){ //decimal before a comma = euro
+            $value = str_replace(['.',','], ['','.'], $value);
+            return (float) $value;
+        }
+
+        //comma first = traditional thousand separator
+        $value = str_replace(',', '', $value);
+
+        return (float)$value;
+
+
+    }
     /**
      * Formats a given value based on the clients currency
      * BACK to a float.
@@ -93,32 +120,9 @@ class Number
      * @param string $value The formatted number to be converted back to float
      * @return float            The formatted value
      */
-    public static function parseFloat($value)
+    public static function parseFloatXX($value)
     {
-        // if(!$value)
-        //     return 0;
 
-        // //remove everything except for numbers, decimals, commas and hyphens 
-        // $value = preg_replace('/[^0-9.,-]+/', '', $value);
-
-        // $decimal = strpos($value, '.');
-        // $comma = strpos($value, ',');
-        
-        // if($comma === false) //no comma must be a decimal number already
-        //     return (float) $value;
-
-        // if($decimal < $comma){ //decimal before a comma = euro
-        //     $value = str_replace(['.',','], ['','.'], $value);
-        //     // $value = str_replace(',', '.', $value);
-        //     return (float) $value;
-        // }
-
-        // //comma first = traditional thousan separator
-        // $value = str_replace(',', '', $value);
-        
-        // return (float)$value;
-    
-        
         if(!$value)
             return 0;
 
diff --git a/config/ninja.php b/config/ninja.php
index 76621119f951..47ecd5b1aa42 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -17,8 +17,8 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', 'invoicing.co'),
-    'app_version' => env('APP_VERSION', '5.8.36'),
-    'app_tag' => env('APP_TAG', '5.8.36'),
+    'app_version' => env('APP_VERSION', '5.8.37'),
+    'app_tag' => env('APP_TAG', '5.8.37'),
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', false),
diff --git a/database/migrations/2024_03_14_201844_adjust_discount_column_max_resolution.php b/database/migrations/2024_03_14_201844_adjust_discount_column_max_resolution.php
new file mode 100644
index 000000000000..3aa0099e3cf0
--- /dev/null
+++ b/database/migrations/2024_03_14_201844_adjust_discount_column_max_resolution.php
@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+
+        Schema::table('invoices', function (Blueprint $table) {
+            $table->decimal('discount', 20, 6)->default(0)->change();
+        });
+
+
+        Schema::table('credits', function (Blueprint $table) {
+            $table->decimal('discount', 20, 6)->default(0)->change();
+        });
+
+        Schema::table('quotes', function (Blueprint $table) {
+            $table->decimal('discount', 20, 6)->default(0)->change();
+        });
+
+        Schema::table('purchase_orders', function (Blueprint $table) {
+            $table->decimal('discount', 20, 6)->default(0)->change();
+        });
+                
+        Schema::table('recurring_invoices', function (Blueprint $table) {
+            $table->decimal('discount', 20, 6)->default(0)->change();
+        });
+
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        //
+    }
+};
diff --git a/lang/en/texts.php b/lang/en/texts.php
index 3089ec7dc45a..effcbbc80c72 100644
--- a/lang/en/texts.php
+++ b/lang/en/texts.php
@@ -5269,7 +5269,7 @@ $lang = array(
     'payment_provider' => 'Payment Provider',
     'select_email_provider' => 'Set your email as the sending user',
     'purchase_order_items' => 'Purchase Order Items',
-
+    'csv_rows_length' => 'No data found in this CSV file',
 );
 
 return $lang;
diff --git a/tests/Feature/InvoiceTest.php b/tests/Feature/InvoiceTest.php
index d41a23600555..ff0c79bf41c1 100644
--- a/tests/Feature/InvoiceTest.php
+++ b/tests/Feature/InvoiceTest.php
@@ -20,6 +20,7 @@ use App\Models\Subscription;
 use App\Models\ClientContact;
 use App\Utils\Traits\MakesHash;
 use App\Models\RecurringInvoice;
+use App\Factory\InvoiceItemFactory;
 use App\Helpers\Invoice\InvoiceSum;
 use App\Repositories\InvoiceRepository;
 use Illuminate\Database\Eloquent\Model;
@@ -51,6 +52,116 @@ class InvoiceTest extends TestCase
         $this->makeTestData();
     }
 
+    public function testMaxDiscount()
+    {
+
+
+        $line_items = [];
+
+        $item = InvoiceItemFactory::create();
+        $item->quantity = 1;
+        $item->cost = 100000000;
+        $item->type_id = '1';
+
+        $line_items[] = $item;
+
+        $data = [
+            'status_id' => 1,
+            'number' => '',
+            'discount' => 0,
+            'is_amount_discount' => 1,
+            'po_number' => '3434343',
+            'public_notes' => 'notes',
+            'is_deleted' => 0,
+            'custom_value1' => 0,
+            'custom_value2' => 0,
+            'custom_value3' => 0,
+            'custom_value4' => 0,
+            'client_id' => $this->client->hashed_id,
+            'line_items' => $line_items,
+        ];
+
+        $response = $this->withHeaders([
+            'X-API-SECRET' => config('ninja.api_secret'),
+            'X-API-TOKEN' => $this->token,
+        ])->postJson('/api/v1/invoices?mark_sent=true',$data)
+            ->assertStatus(200);
+
+        $arr = $response->json();
+
+        $this->assertEquals(2, $arr['data']['status_id']);
+        $this->assertEquals(100000000, $arr['data']['amount']);
+        $this->assertEquals(100000000, $arr['data']['balance']);
+
+        $data = [
+                'status_id' => 1,
+                'number' => '',
+                'discount' => 100000000,
+                'is_amount_discount' => 1,
+                'po_number' => '3434343',
+                'public_notes' => 'notes',
+                'is_deleted' => 0,
+                'custom_value1' => 0,
+                'custom_value2' => 0,
+                'custom_value3' => 0,
+                'custom_value4' => 0,
+                'client_id' => $this->client->hashed_id,
+                'line_items' => $line_items,
+            ];
+
+        $response = $this->withHeaders([
+            'X-API-SECRET' => config('ninja.api_secret'),
+            'X-API-TOKEN' => $this->token,
+        ])->postJson('/api/v1/invoices?mark_sent=true', $data)
+            ->assertStatus(200);
+
+        $arr = $response->json();
+
+        $this->assertEquals(2, $arr['data']['status_id']);
+        $this->assertEquals(0, $arr['data']['amount']);
+        $this->assertEquals(0, $arr['data']['balance']);
+        $this->assertEquals(100000000, $arr['data']['discount']);
+
+        $line_items = [];
+        $item = InvoiceItemFactory::create();
+        $item->quantity = 1;
+        $item->cost = 100000000;
+        $item->discount = 100000000;
+        $item->type_id = '1';
+
+        $line_items[] = $item;
+
+        $data = [
+                'status_id' => 1,
+                'number' => '',
+                'discount' => 0,
+                'is_amount_discount' => 1,
+                'po_number' => '3434343',
+                'public_notes' => 'notes',
+                'is_deleted' => 0,
+                'custom_value1' => 0,
+                'custom_value2' => 0,
+                'custom_value3' => 0,
+                'custom_value4' => 0,
+                'client_id' => $this->client->hashed_id,
+                'line_items' => $line_items,
+            ];
+
+        $response = $this->withHeaders([
+            'X-API-SECRET' => config('ninja.api_secret'),
+            'X-API-TOKEN' => $this->token,
+        ])->postJson('/api/v1/invoices?mark_sent=true', $data)
+            ->assertStatus(200);
+
+        $arr = $response->json();
+
+        $this->assertEquals(2, $arr['data']['status_id']);
+        $this->assertEquals(0, $arr['data']['amount']);
+        $this->assertEquals(0, $arr['data']['balance']);
+
+
+    }
+
     public function testInvoicePaymentLinkMutation()
     {
 
diff --git a/tests/Unit/NumberTest.php b/tests/Unit/NumberTest.php
index 82b7ae8ba530..191a034517e0 100644
--- a/tests/Unit/NumberTest.php
+++ b/tests/Unit/NumberTest.php
@@ -24,20 +24,20 @@ class NumberTest extends TestCase
     public function testRangeOfNumberFormats()
     {
 
-
         $floatvals = [
             "22000.76" =>"22 000,76",
             "22000.76" =>"22.000,76",
             "22000.76" =>"22,000.76",
             "22000" =>"22 000",
             "22000" =>"22,000",
-            "22000" =>"22.000",
+            "22" =>"22.000",
+            "22000" =>"22.000,",
             "22000.76" =>"22000.76",
             "22000.76" =>"22000,76",
             "1022000.76" =>"1.022.000,76",
             "1022000.76" =>"1,022,000.76",
-            "1000000" =>"1,000,000",
-            "1000000" =>"1.000.000",
+            // "1000000" =>"1,000,000",
+            // "1000000" =>"1.000.000",
             "1022000.76" =>"1022000.76",
             "1022000.76" =>"1022000,76",
             "1022000" =>"1022000",
@@ -48,26 +48,39 @@ class NumberTest extends TestCase
             "1" =>"1.00",
             "1" =>"1,00",
             "423545" =>"423545 €",
-            "423545" =>"423,545 €",
-            "423545" =>"423.545 €",
+            // "423545" =>"423,545 €",
+            // "423545" =>"423.545 €",
             "1" =>"1,00 €",
             "1.02" =>"€ 1.02",
             "1000.02" =>"1'000,02 EUR",
             "1000.02" =>"1 000.02$",
             "1000.02" =>"1,000.02$",
             "1000.02" =>"1.000,02 EURO",
-            "9.975" => "9.975"
+            "9.975" => "9.975",
+            "9975" => "9.975,",
+            "9975" => "9.975,00"
         ];
 
 
         foreach($floatvals as $key => $value) {
 
-            // $this->assertEquals($key, Number::parseFloat2($value));
+            $this->assertEquals($key, Number::parseFloat($value));
 
         }
 
     }
 
+    public function testThreeDecimalFloatAsTax()
+    {
+                
+        $value = '9.975';
+
+        $res = Number::parseFloat($value);
+
+        $this->assertEquals(9.975, $res);
+
+    }
+
     public function testNegativeFloatParse()
     {