From 76d2780a60f735327f5e21620aafcab54e736a74 Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Mon, 10 Apr 2023 21:04:16 +1000
Subject: [PATCH] Tax rule variable refactor

---
 app/DataMapper/Tax/BaseRule.php |   6 +-
 app/DataMapper/Tax/DE/Rule.php  |  32 ++++----
 app/DataMapper/Tax/TaxModel.php | 135 +++++++++++++++++++-------------
 app/DataMapper/Tax/US/Rule.php  |   9 +--
 tests/Unit/Tax/EuTaxTest.php    |  36 ++++-----
 5 files changed, 121 insertions(+), 97 deletions(-)

diff --git a/app/DataMapper/Tax/BaseRule.php b/app/DataMapper/Tax/BaseRule.php
index 856501bc3002..67ddbaf60d97 100644
--- a/app/DataMapper/Tax/BaseRule.php
+++ b/app/DataMapper/Tax/BaseRule.php
@@ -137,9 +137,9 @@ class BaseRule implements RuleInterface
     {
 
         if(!array_key_exists($this->client->country->iso_3166_2, $this->region_codes))
-            throw new \Exception('Country not supported');
+            throw new \Exception('Automatic tax calculates not supported for this country');
 
-        $this->client_region = $this->region_codes[$this->client->country->iso_3166_2] ?? '';
+        $this->client_region = $this->region_codes[$this->client->country->iso_3166_2];
 
         match($this->client_region){
             'US' => $this->client_subregion = $this->tax_data->geoState,
@@ -150,7 +150,7 @@ class BaseRule implements RuleInterface
         return $this;
     }
 
-    private function isTaxableRegion(): bool
+    public function isTaxableRegion(): bool
     {
         return $this->client->company->tax_data->regions->{$this->client_region}->tax_all_subregions || $this->client->company->tax_data->regions->{$this->client_region}->subregions->{$this->client_subregion}->apply_tax;
     }
diff --git a/app/DataMapper/Tax/DE/Rule.php b/app/DataMapper/Tax/DE/Rule.php
index 3111f2d0fca3..a1edb03ba5c7 100644
--- a/app/DataMapper/Tax/DE/Rule.php
+++ b/app/DataMapper/Tax/DE/Rule.php
@@ -29,9 +29,9 @@ class Rule extends BaseRule implements RuleInterface
 
     public bool $foreign_consumer_tax_exempt = true;
 
-    public float $vat_rate = 0;
+    public float $tax_rate = 0;
 
-    public float $reduced_vat_rate = 0;
+    public float $reduced_tax_rate = 0;
 
     public function init(): self
     {
@@ -83,7 +83,7 @@ class Rule extends BaseRule implements RuleInterface
 
     public function taxReduced(): self
     {
-        $this->tax_rate1 = $this->reduced_vat_rate;
+        $this->tax_rate1 = $this->reduced_tax_rate;
         $this->tax_name1 = 'ermäßigte MwSt.';
 
         return $this;
@@ -122,7 +122,7 @@ class Rule extends BaseRule implements RuleInterface
     {
         // $this->tax();
 
-        $this->tax_rate1 = $this->vat_rate;
+        $this->tax_rate1 = $this->tax_rate;
         $this->tax_name1 = 'MwSt.';
         return $this;
     }
@@ -145,39 +145,39 @@ class Rule extends BaseRule implements RuleInterface
     {
         if ($this->client->is_tax_exempt) {
             // nlog("tax exempt");
-            $this->vat_rate = 0;
-            $this->reduced_vat_rate = 0;
+            $this->tax_rate = 0;
+            $this->reduced_tax_rate = 0;
         }
         elseif($this->client_subregion != $this->vendor_iso_3166_2 && in_array($this->client_subregion, $this->eu_country_codes) && $this->client->has_valid_vat_number && $this->eu_business_tax_exempt)
         {
             // nlog("euro zone and tax exempt");
-            $this->vat_rate = 0;
-            $this->reduced_vat_rate = 0;
+            $this->tax_rate = 0;
+            $this->reduced_tax_rate = 0;
         }
         elseif(!in_array($this->client_subregion, $this->eu_country_codes) && ($this->foreign_consumer_tax_exempt || $this->foreign_business_tax_exempt)) //foreign + tax exempt
         {
             // nlog("foreign and tax exempt");
-            $this->vat_rate = 0;
-            $this->reduced_vat_rate = 0;
+            $this->tax_rate = 0;
+            $this->reduced_tax_rate = 0;
         }
         elseif(in_array($this->client_subregion, $this->eu_country_codes) && !$this->client->has_valid_vat_number) //eu country / no valid vat 
         {   
             if(($this->vendor_iso_3166_2 != $this->client_subregion) && $this->client->company->tax_data->regions->EU->has_sales_above_threshold)
             {
                 // nlog("eu zone with sales above threshold");
-                $this->vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->country->iso_3166_2}->vat_rate;
-                $this->reduced_vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->country->iso_3166_2}->reduced_vat_rate;
+                $this->tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->country->iso_3166_2}->tax_rate;
+                $this->reduced_tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->country->iso_3166_2}->reduced_tax_rate;
             }
             else {
                 // nlog("EU with intra-community supply ie DE to DE");
-                $this->vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->vat_rate;
-                $this->reduced_vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->reduced_vat_rate;
+                $this->tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->tax_rate;
+                $this->reduced_tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->reduced_tax_rate;
             }
         }
         else {
             // nlog("default tax");
-            $this->vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->vat_rate;
-            $this->reduced_vat_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->reduced_vat_rate;
+            $this->tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->tax_rate;
+            $this->reduced_tax_rate = $this->client->company->tax_data->regions->EU->subregions->{$this->client->company->country()->iso_3166_2}->reduced_tax_rate;
         }
 
         return $this;
diff --git a/app/DataMapper/Tax/TaxModel.php b/app/DataMapper/Tax/TaxModel.php
index 1765096e5252..7f6425114360 100644
--- a/app/DataMapper/Tax/TaxModel.php
+++ b/app/DataMapper/Tax/TaxModel.php
@@ -16,6 +16,8 @@ class TaxModel
 
     public string $seller_subregion = 'CA';
 
+    public string $version = 'alpha';
+
     public object $regions;
 
     public function __construct(public ?TaxModel $model = null)
@@ -35,12 +37,35 @@ class TaxModel
         $this->regions->EU = new \stdClass();
 
         $this->usRegion()
-             ->euRegion();
+             ->euRegion()
+             ->auRegion();
 
 
         return $this->regions;
     }
 
+    private function auRegion(): self
+    {
+        $this->regions->AU = new \stdClass();
+        $this->regions->AU->has_sales_above_threshold = false;
+        $this->regions->AU->tax_all_subregions = false;
+        $this->regions->AU->vat_threshold = 75000;
+        $this->auSubRegions();
+
+        return $this;
+    }
+
+    private function auSubRegions(): self 
+    {
+
+        $this->regions->AU->subregions = new \stdClass();
+        $this->regions->AU->subregions->AU = new \stdClass();
+        $this->regions->AU->subregions->AU->apply_tax = false;
+        $this->regions->AU->subregions->AU->tax_rate = 10;
+
+        return $this;
+    }
+
     private function usRegion(): self
     {
         $this->regions->US->has_sales_above_threshold = false;
@@ -174,138 +199,138 @@ class TaxModel
         $this->regions->EU->subregions = new \stdClass();
 
         $this->regions->EU->subregions->AT = new \stdClass();
-        $this->regions->EU->subregions->AT->vat_rate = 21;
-        $this->regions->EU->subregions->AT->reduced_vat_rate = 11;
+        $this->regions->EU->subregions->AT->tax_rate = 21;
+        $this->regions->EU->subregions->AT->reduced_tax_rate = 11;
         $this->regions->EU->subregions->AT->apply_tax = false;
 
         $this->regions->EU->subregions->BE = new \stdClass();
-        $this->regions->EU->subregions->BE->vat_rate = 21;
-        $this->regions->EU->subregions->BE->reduced_vat_rate = 6;
+        $this->regions->EU->subregions->BE->tax_rate = 21;
+        $this->regions->EU->subregions->BE->reduced_tax_rate = 6;
         $this->regions->EU->subregions->BE->apply_tax = false;
 
         $this->regions->EU->subregions->BG = new \stdClass();
-        $this->regions->EU->subregions->BG->vat_rate = 20;
-        $this->regions->EU->subregions->BG->reduced_vat_rate = 9;
+        $this->regions->EU->subregions->BG->tax_rate = 20;
+        $this->regions->EU->subregions->BG->reduced_tax_rate = 9;
         $this->regions->EU->subregions->BG->apply_tax = false;
 
         $this->regions->EU->subregions->CY = new \stdClass();
-        $this->regions->EU->subregions->CY->vat_rate = 19;
-        $this->regions->EU->subregions->CY->reduced_vat_rate = 9;
+        $this->regions->EU->subregions->CY->tax_rate = 19;
+        $this->regions->EU->subregions->CY->reduced_tax_rate = 9;
         $this->regions->EU->subregions->CY->apply_tax = false;
 
         $this->regions->EU->subregions->CZ = new \stdClass();
-        $this->regions->EU->subregions->CZ->vat_rate = 21;
-        $this->regions->EU->subregions->CZ->reduced_vat_rate = 15;
+        $this->regions->EU->subregions->CZ->tax_rate = 21;
+        $this->regions->EU->subregions->CZ->reduced_tax_rate = 15;
         $this->regions->EU->subregions->CZ->apply_tax = false;
 
         $this->regions->EU->subregions->DE = new \stdClass();
-        $this->regions->EU->subregions->DE->vat_rate = 19;
-        $this->regions->EU->subregions->DE->reduced_vat_rate = 7;
+        $this->regions->EU->subregions->DE->tax_rate = 19;
+        $this->regions->EU->subregions->DE->reduced_tax_rate = 7;
         $this->regions->EU->subregions->DE->apply_tax = false;
 
         $this->regions->EU->subregions->DK = new \stdClass();
-        $this->regions->EU->subregions->DK->vat_rate = 25;
-        $this->regions->EU->subregions->DK->reduced_vat_rate = 0;
+        $this->regions->EU->subregions->DK->tax_rate = 25;
+        $this->regions->EU->subregions->DK->reduced_tax_rate = 0;
         $this->regions->EU->subregions->DK->apply_tax = false;
 
         $this->regions->EU->subregions->EE = new \stdClass();
-        $this->regions->EU->subregions->EE->vat_rate = 20;
-        $this->regions->EU->subregions->EE->reduced_vat_rate = 9;
+        $this->regions->EU->subregions->EE->tax_rate = 20;
+        $this->regions->EU->subregions->EE->reduced_tax_rate = 9;
         $this->regions->EU->subregions->EE->apply_tax = false;
 
         $this->regions->EU->subregions->ES = new \stdClass();
-        $this->regions->EU->subregions->ES->vat_rate = 21;
-        $this->regions->EU->subregions->ES->reduced_vat_rate = 10;
+        $this->regions->EU->subregions->ES->tax_rate = 21;
+        $this->regions->EU->subregions->ES->reduced_tax_rate = 10;
         $this->regions->EU->subregions->ES->apply_tax = false;
 
         $this->regions->EU->subregions->FI = new \stdClass();
-        $this->regions->EU->subregions->FI->vat_rate = 24;
-        $this->regions->EU->subregions->FI->reduced_vat_rate = 14;
+        $this->regions->EU->subregions->FI->tax_rate = 24;
+        $this->regions->EU->subregions->FI->reduced_tax_rate = 14;
         $this->regions->EU->subregions->FI->apply_tax = false;
 
         $this->regions->EU->subregions->FR = new \stdClass();
-        $this->regions->EU->subregions->FR->vat_rate = 20;
-        $this->regions->EU->subregions->FR->reduced_vat_rate = 5.5;
+        $this->regions->EU->subregions->FR->tax_rate = 20;
+        $this->regions->EU->subregions->FR->reduced_tax_rate = 5.5;
         $this->regions->EU->subregions->FR->apply_tax = false;
 
         // $this->regions->EU->subregions->GB = new \stdClass();
-        // $this->regions->EU->subregions->GB->vat_rate = 20;
-        // $this->regions->EU->subregions->GB->reduced_vat_rate = 0;
+        // $this->regions->EU->subregions->GB->tax_rate = 20;
+        // $this->regions->EU->subregions->GB->reduced_tax_rate = 0;
         // $this->regions->EU->subregions->GB->apply_tax = false;
 
         $this->regions->EU->subregions->GR = new \stdClass();
-        $this->regions->EU->subregions->GR->vat_rate = 24;
-        $this->regions->EU->subregions->GR->reduced_vat_rate = 13;
+        $this->regions->EU->subregions->GR->tax_rate = 24;
+        $this->regions->EU->subregions->GR->reduced_tax_rate = 13;
         $this->regions->EU->subregions->GR->apply_tax = false;
 
         $this->regions->EU->subregions->HR = new \stdClass();
-        $this->regions->EU->subregions->HR->vat_rate = 25;
-        $this->regions->EU->subregions->HR->reduced_vat_rate = 5;
+        $this->regions->EU->subregions->HR->tax_rate = 25;
+        $this->regions->EU->subregions->HR->reduced_tax_rate = 5;
         $this->regions->EU->subregions->HR->apply_tax = false;
 
         $this->regions->EU->subregions->HU = new \stdClass();
-        $this->regions->EU->subregions->HU->vat_rate = 27;
-        $this->regions->EU->subregions->HU->reduced_vat_rate = 5;
+        $this->regions->EU->subregions->HU->tax_rate = 27;
+        $this->regions->EU->subregions->HU->reduced_tax_rate = 5;
         $this->regions->EU->subregions->HU->apply_tax = false;
 
         $this->regions->EU->subregions->IE = new \stdClass();
-        $this->regions->EU->subregions->IE->vat_rate = 23;
-        $this->regions->EU->subregions->IE->reduced_vat_rate = 0;
+        $this->regions->EU->subregions->IE->tax_rate = 23;
+        $this->regions->EU->subregions->IE->reduced_tax_rate = 0;
         $this->regions->EU->subregions->IE->apply_tax = false;
 
         $this->regions->EU->subregions->IT = new \stdClass();
-        $this->regions->EU->subregions->IT->vat_rate = 22;
-        $this->regions->EU->subregions->IT->reduced_vat_rate = 10;
+        $this->regions->EU->subregions->IT->tax_rate = 22;
+        $this->regions->EU->subregions->IT->reduced_tax_rate = 10;
         $this->regions->EU->subregions->IT->apply_tax = false;
 
         $this->regions->EU->subregions->LT = new \stdClass();
-        $this->regions->EU->subregions->LT->vat_rate = 21;
-        $this->regions->EU->subregions->LT->reduced_vat_rate = 9;
+        $this->regions->EU->subregions->LT->tax_rate = 21;
+        $this->regions->EU->subregions->LT->reduced_tax_rate = 9;
         $this->regions->EU->subregions->LT->apply_tax = false;
 
         $this->regions->EU->subregions->LU = new \stdClass();
-        $this->regions->EU->subregions->LU->vat_rate = 17;
-        $this->regions->EU->subregions->LU->reduced_vat_rate = 3;
+        $this->regions->EU->subregions->LU->tax_rate = 17;
+        $this->regions->EU->subregions->LU->reduced_tax_rate = 3;
         $this->regions->EU->subregions->LU->apply_tax = false;
 
         $this->regions->EU->subregions->LV = new \stdClass();
-        $this->regions->EU->subregions->LV->vat_rate = 21;
-        $this->regions->EU->subregions->LV->reduced_vat_rate = 12;
+        $this->regions->EU->subregions->LV->tax_rate = 21;
+        $this->regions->EU->subregions->LV->reduced_tax_rate = 12;
         $this->regions->EU->subregions->LV->apply_tax = false;
 
         $this->regions->EU->subregions->MT = new \stdClass();
-        $this->regions->EU->subregions->MT->vat_rate = 18;
-        $this->regions->EU->subregions->MT->reduced_vat_rate = 5;
+        $this->regions->EU->subregions->MT->tax_rate = 18;
+        $this->regions->EU->subregions->MT->reduced_tax_rate = 5;
         $this->regions->EU->subregions->MT->apply_tax = false;
 
         $this->regions->EU->subregions->NL = new \stdClass();
-        $this->regions->EU->subregions->NL->vat_rate = 21;
-        $this->regions->EU->subregions->NL->reduced_vat_rate = 9;
+        $this->regions->EU->subregions->NL->tax_rate = 21;
+        $this->regions->EU->subregions->NL->reduced_tax_rate = 9;
         $this->regions->EU->subregions->NL->apply_tax = false;
 
         $this->regions->EU->subregions->PT = new \stdClass();
-        $this->regions->EU->subregions->PT->vat_rate = 23;
-        $this->regions->EU->subregions->PT->reduced_vat_rate = 6;
+        $this->regions->EU->subregions->PT->tax_rate = 23;
+        $this->regions->EU->subregions->PT->reduced_tax_rate = 6;
         $this->regions->EU->subregions->PT->apply_tax = false;
 
         $this->regions->EU->subregions->RO = new \stdClass();
-        $this->regions->EU->subregions->RO->vat_rate = 19;
-        $this->regions->EU->subregions->RO->reduced_vat_rate = 5;
+        $this->regions->EU->subregions->RO->tax_rate = 19;
+        $this->regions->EU->subregions->RO->reduced_tax_rate = 5;
         $this->regions->EU->subregions->RO->apply_tax = false;
 
         $this->regions->EU->subregions->SE = new \stdClass();
-        $this->regions->EU->subregions->SE->vat_rate = 25;
-        $this->regions->EU->subregions->SE->reduced_vat_rate = 12;
+        $this->regions->EU->subregions->SE->tax_rate = 25;
+        $this->regions->EU->subregions->SE->reduced_tax_rate = 12;
         $this->regions->EU->subregions->SE->apply_tax = false;
 
         $this->regions->EU->subregions->SI = new \stdClass();
-        $this->regions->EU->subregions->SI->vat_rate = 22;
-        $this->regions->EU->subregions->SI->reduced_vat_rate = 9.5;
+        $this->regions->EU->subregions->SI->tax_rate = 22;
+        $this->regions->EU->subregions->SI->reduced_tax_rate = 9.5;
         $this->regions->EU->subregions->SI->apply_tax = false;
 
         $this->regions->EU->subregions->SK = new \stdClass();
-        $this->regions->EU->subregions->SK->vat_rate = 20;
-        $this->regions->EU->subregions->SK->reduced_vat_rate = 10;
+        $this->regions->EU->subregions->SK->tax_rate = 20;
+        $this->regions->EU->subregions->SK->reduced_tax_rate = 10;
         $this->regions->EU->subregions->SK->apply_tax = false;
 
         return $this;
diff --git a/app/DataMapper/Tax/US/Rule.php b/app/DataMapper/Tax/US/Rule.php
index c393bc6fb10a..6f774eadc4b4 100644
--- a/app/DataMapper/Tax/US/Rule.php
+++ b/app/DataMapper/Tax/US/Rule.php
@@ -35,12 +35,12 @@ class Rule extends BaseRule implements RuleInterface
         
         if ($this->client->is_tax_exempt) {
             return $this->taxExempt();
-        } elseif($this->client->company->tax_data->regions->US->tax_all_subregions || $this->client->company->tax_data->regions->US->subregions->{$this->client_subregion}->apply_tax) {
+        } elseif($this->client_region == 'US' && $this->isTaxableRegion()) {
 
             $this->taxByType($item->tax_id);
 
             return $this;
-        } elseif($this->client->company->tax_data->regions->{$this->client_region}->tax_all_subregions || $this->client->company->tax_data->regions->{$this->client_region}->subregions->{$this->client_subregion}->apply_tax) { //other regions outside of US
+        } elseif($this->isTaxableRegion()) { //other regions outside of US
 
         }
         return $this;
@@ -122,9 +122,8 @@ class Rule extends BaseRule implements RuleInterface
 
     public function calculateRates(): self
     {
-        if($this->client_region != 'US' && $this->isTaxableRegion()) {
-
-        }
+        if($this->client_region != 'US' && $this->isTaxableRegion())
+            return $this;
 
         return $this;
     }
diff --git a/tests/Unit/Tax/EuTaxTest.php b/tests/Unit/Tax/EuTaxTest.php
index ff15905d34da..7e1c1be1a2b1 100644
--- a/tests/Unit/Tax/EuTaxTest.php
+++ b/tests/Unit/Tax/EuTaxTest.php
@@ -273,9 +273,9 @@ class EuTaxTest extends TestCase
 
         $this->assertInstanceOf(Rule::class, $process);
 
-        $this->assertEquals(19, $process->vat_rate);
+        $this->assertEquals(19, $process->tax_rate);
 
-        $this->assertEquals(7, $process->reduced_vat_rate);
+        $this->assertEquals(7, $process->reduced_tax_rate);
 
 
     }
@@ -319,9 +319,9 @@ class EuTaxTest extends TestCase
 
         $this->assertInstanceOf(Rule::class, $process);
 
-        $this->assertEquals(21, $process->vat_rate);
+        $this->assertEquals(21, $process->tax_rate);
 
-        $this->assertEquals(6, $process->reduced_vat_rate);
+        $this->assertEquals(6, $process->reduced_tax_rate);
 
 
     }
@@ -360,9 +360,9 @@ class EuTaxTest extends TestCase
 
         $this->assertInstanceOf(Rule::class, $process);
 
-        $this->assertEquals(0, $process->vat_rate);
+        $this->assertEquals(0, $process->tax_rate);
 
-        $this->assertEquals(0, $process->reduced_vat_rate);
+        $this->assertEquals(0, $process->reduced_tax_rate);
 
 
     }
@@ -401,9 +401,9 @@ class EuTaxTest extends TestCase
 
         $this->assertFalse($client->has_valid_vat_number);
 
-        $this->assertEquals(19, $process->vat_rate);
+        $this->assertEquals(19, $process->tax_rate);
 
-        $this->assertEquals(7, $process->reduced_vat_rate);
+        $this->assertEquals(7, $process->reduced_tax_rate);
 
     }
 
@@ -442,9 +442,9 @@ class EuTaxTest extends TestCase
 
         $this->assertTrue($client->has_valid_vat_number);
 
-        $this->assertEquals(19, $process->vat_rate);
+        $this->assertEquals(19, $process->tax_rate);
 
-        $this->assertEquals(7, $process->reduced_vat_rate);
+        $this->assertEquals(7, $process->reduced_tax_rate);
 
     }
 
@@ -482,9 +482,9 @@ class EuTaxTest extends TestCase
 
         $this->assertTrue($client->has_valid_vat_number);
 
-        $this->assertEquals(0, $process->vat_rate);
+        $this->assertEquals(0, $process->tax_rate);
 
-        $this->assertEquals(0, $process->reduced_vat_rate);
+        $this->assertEquals(0, $process->reduced_tax_rate);
 
     }
 
@@ -522,9 +522,9 @@ class EuTaxTest extends TestCase
 
         $this->assertTrue($client->is_tax_exempt);
 
-        $this->assertEquals(0, $process->vat_rate);
+        $this->assertEquals(0, $process->tax_rate);
 
-        $this->assertEquals(0, $process->reduced_vat_rate);
+        $this->assertEquals(0, $process->reduced_tax_rate);
 
     }
 
@@ -562,9 +562,9 @@ class EuTaxTest extends TestCase
 
         $this->assertTrue($client->is_tax_exempt);
 
-        $this->assertEquals(0, $process->vat_rate);
+        $this->assertEquals(0, $process->tax_rate);
 
-        $this->assertEquals(0, $process->reduced_vat_rate);
+        $this->assertEquals(0, $process->reduced_tax_rate);
 
     }
 
@@ -602,9 +602,9 @@ class EuTaxTest extends TestCase
 
         $this->assertTrue($client->is_tax_exempt);
 
-        $this->assertEquals(0, $process->vat_rate);
+        $this->assertEquals(0, $process->tax_rate);
 
-        $this->assertEquals(0, $process->reduced_vat_rate);
+        $this->assertEquals(0, $process->reduced_tax_rate);
 
     }