Inuit sync of tax, product accounting, accounts and invoices

app/Models/InvoiceItemTax.php

@@ -12,4 +12,11 @@ class InvoiceItemTax extends Model
 
 	protected $table = 'invoice_item_taxes';
 	public $timestamps = FALSE;
+
+	/* RELATIONS */
+
+	public function tax()
+	{
+		return $this->belongsTo(Tax::class);
+	}
 }