diff --git a/app/Models/Income/InvoiceItem.php b/app/Models/Income/InvoiceItem.php
index c6e50c9e8..dff192aec 100644
--- a/app/Models/Income/InvoiceItem.php
+++ b/app/Models/Income/InvoiceItem.php
@@ -29,6 +29,11 @@ class InvoiceItem extends Model
         return $this->belongsTo('App\Models\Common\Item');
     }
 
+    public function itemTaxes()
+    {
+        return $this->hasMany('App\Models\Income\InvoiceItemTax', 'invoice_item_id', 'id');
+    }
+
     public function tax()
     {
         return $this->belongsTo('App\Models\Setting\Tax');
@@ -66,4 +71,23 @@ class InvoiceItem extends Model
     {
         $this->attributes['tax'] = (double) $value;
     }
+
+    /**
+     * Convert tax to double.
+     *
+     * @param  string  $value
+     * @return void
+     */
+    public function getTaxIdAttribute($value)
+    {
+        $tax_ids = [];
+
+        if (!empty($value)) {
+            $tax_ids[] = $value;
+
+            return $tax_ids;
+        }
+
+        return $this->itemTaxes->pluck('tax_id');
+    }
 }
diff --git a/resources/views/incomes/invoices/edit.blade.php b/resources/views/incomes/invoices/edit.blade.php
index be2e901a4..cb6c1cdf4 100644
--- a/resources/views/incomes/invoices/edit.blade.php
+++ b/resources/views/incomes/invoices/edit.blade.php
@@ -170,6 +170,14 @@
                             placeholder: {
                                 id: '-1', // the value of the option
                                 text: "{{ trans('general.form.select.field', ['field' => trans_choice('general.taxes', 1)]) }}"
+                            },
+                            escapeMarkup: function (markup) {
+                                return markup;
+                            },
+                            language: {
+                                noResults: function () {
+                                    return '<span id="tax-add-new"><i class="fa fa-plus"> {{ trans('general.title.new', ['type' => trans_choice('general.tax_rates', 1)]) }}</span>';
+                                }
                             }
                         });
 
@@ -192,6 +200,24 @@
             });
         });
 
+        $(document).on('click', '#tax-add-new', function(e){
+            tax_name = $('.select2-search__field').val();
+
+            $('#modal-create-tax').remove();
+
+            $.ajax({
+                url: '{{ url("modals/taxes/create") }}',
+                type: 'GET',
+                dataType: 'JSON',
+                data: {name: tax_name},
+                success: function(json) {
+                    if (json['success']) {
+                        $('body').append(json['html']);
+                    }
+                }
+            });
+        });
+
         $(document).ready(function(){
             $(".input-price").maskMoney({
                 thousands : '{{ $currency->thousands_separator }}',
@@ -231,6 +257,14 @@
                 placeholder: {
                     id: '-1', // the value of the option
                     text: "{{ trans('general.form.select.field', ['field' => trans_choice('general.taxes', 1)]) }}"
+                },
+                escapeMarkup: function (markup) {
+                    return markup;
+                },
+                language: {
+                    noResults: function () {
+                        return '<span id="tax-add-new"><i class="fa fa-plus"> {{ trans('general.title.new', ['type' => trans_choice('general.tax_rates', 1)]) }}</span>';
+                    }
                 }
             });
 
@@ -446,7 +480,7 @@
                 url: '{{ url("common/items/totalItem") }}',
                 type: 'POST',
                 dataType: 'JSON',
-                data: $('#currency_code, #discount input[type=\'number\'], #items input[type=\'text\'], #items input[type=\'number\'], #items input[type=\'hidden\'], #items textarea, #items select'),
+                data: $('#currency_code, #discount input[type=\'number\'], #items input[type=\'text\'], #items input[type=\'number\'], #items input[type=\'hidden\'], #items textarea, #items select').serialize(),
                 headers: { 'X-CSRF-TOKEN': '{{ csrf_token() }}' },
                 success: function(data) {
                     if (data) {