diff --git a/application/language/nl/sales_lang.php b/application/language/nl/sales_lang.php
index 1d9f8612b..a348058d9 100644
--- a/application/language/nl/sales_lang.php
+++ b/application/language/nl/sales_lang.php
@@ -1,181 +1,181 @@
-<?php 
-
-$lang["customers_available_points"] = "Beschikbare Punten";
-$lang["rewards_package"] = "Spaarpunten";
-$lang["rewards_remaining_balance"] = "";
-$lang["sales_account_number"] = "";
-$lang["sales_add_payment"] = "Betaal";
-$lang["sales_amount_due"] = "Te betalen";
-$lang["sales_amount_tendered"] = "Ontvangen bedrag";
-$lang["sales_authorized_signature"] = "";
-$lang["sales_cancel_sale"] = "Annuleer";
+<?php
+$lang["customers_available_points"] = "Beschikbare punten";
+$lang["rewards_package"] = "Beloningen";
+$lang["rewards_remaining_balance"] = "Resterende beloningspunten waarde is ";
+$lang["sales_account_number"] = "Account #";
+$lang["sales_add_payment"] = "Betaling toevoegen";
+$lang["sales_amount_due"] = "Te betalen bedrag";
+$lang["sales_amount_tendered"] = "Betaald bedrag";
+$lang["sales_authorized_signature"] = "Geautoriseerde handtekening";
+$lang["sales_cancel_sale"] = "Annuleren";
 $lang["sales_cash"] = "Contant";
-$lang["sales_cash_deposit"] = "";
+$lang["sales_cash_deposit"] = "Contact storting";
 $lang["sales_cash_filter"] = "Contant";
-$lang["sales_change_due"] = "Wisselgeld terug";
-$lang["sales_change_price"] = "";
-$lang["sales_check"] = "Waardebon";
-$lang["sales_check_balance"] = "Waardebon terug";
-$lang["sales_check_filter"] = "";
-$lang["sales_comment"] = "Commentaar";
-$lang["sales_comments"] = "Commentaar";
-$lang["sales_complete_sale"] = "Bevestig";
-$lang["sales_confirm_cancel_sale"] = "Bent u zeker dat u deze aankoop wil verwijderen?";
-$lang["sales_confirm_delete"] = "Bent u zeker dat u de geselecteerde aankopen wil verwijderen?";
-$lang["sales_confirm_restore"] = "";
-$lang["sales_credit"] = "Kredietkaart";
-$lang["sales_credit_deposit"] = "";
-$lang["sales_credit_filter"] = "";
+$lang["sales_change_due"] = "Wisselgeld tegoed";
+$lang["sales_change_price"] = "Verkoopprijs wijzigen";
+$lang["sales_check"] = "Cheque";
+$lang["sales_check_balance"] = "Cheque restant";
+$lang["sales_check_filter"] = "Cheque";
+$lang["sales_comment"] = "Opmerking";
+$lang["sales_comments"] = "Opmerkingen";
+$lang["sales_complete_sale"] = "Voltooien";
+$lang["sales_confirm_cancel_sale"] = "Weet u zeker dat u deze verkoop wilt wissen? Alle artikelen worden gewist.";
+$lang["sales_confirm_delete"] = "Weet u zeker dat u de geselecteerde verko(o)p(en) wilt verwijderen?";
+$lang["sales_confirm_restore"] = "Weet u zeker dat u de geselecteerde verko(o)p(en) wilt herstellen?";
+$lang["sales_credit"] = "Creditcard";
+$lang["sales_credit_deposit"] = "Krediet storting";
+$lang["sales_credit_filter"] = "Creditcard";
 $lang["sales_customer"] = "Klant";
-$lang["sales_customer_address"] = "Customer Address";
+$lang["sales_customer_address"] = "Adres";
 $lang["sales_customer_discount"] = "Korting";
-$lang["sales_customer_email"] = "Customer Email";
-$lang["sales_customer_location"] = "Customer Location";
-$lang["sales_customer_mailchimp_status"] = "";
-$lang["sales_customer_optional"] = "";
-$lang["sales_customer_required"] = "";
+$lang["sales_customer_email"] = "E-mail";
+$lang["sales_customer_location"] = "Locatie";
+$lang["sales_customer_mailchimp_status"] = "MailChimp status";
+$lang["sales_customer_optional"] = "(Vereist voor te betalen betalingen)";
+$lang["sales_customer_required"] = "(Vereist)";
 $lang["sales_customer_total"] = "Totaal";
-$lang["sales_date"] = "Datum";
-$lang["sales_date_range"] = "Periode";
-$lang["sales_date_required"] = "Gelieve een correcte datum in te vullen";
-$lang["sales_date_type"] = "Er moet een correcte datum ingevuld worden";
-$lang["sales_debit"] = "Bancontact";
-$lang["sales_delete"] = "";
-$lang["sales_delete_confirmation"] = "Bent u zeker dat u deze aankoop wil verwijderen?";
-$lang["sales_delete_entire_sale"] = "Verwijder";
-$lang["sales_delete_successful"] = "De geselecteerde aanko(o)p(en) werden verwijderd";
-$lang["sales_delete_unsuccessful"] = "De geselecteerde aankopen konden niet worden verwijderd.";
-$lang["sales_description_abbrv"] = "Omschr.";
-$lang["sales_discard"] = "";
+$lang["sales_date"] = "Verkoopdatum";
+$lang["sales_date_range"] = "Datumbereik";
+$lang["sales_date_required"] = "Een juiste datum moet ingevuld worden.";
+$lang["sales_date_type"] = "Datum is een vereist veld.";
+$lang["sales_debit"] = "Betaalpas";
+$lang["sales_delete"] = "Verwijderen toestaan";
+$lang["sales_delete_confirmation"] = "Weet u zeker dat u deze verkoop wilt verwijderen? Deze actie kan niet ongedaan worden gemaakt.";
+$lang["sales_delete_entire_sale"] = "Volledige verkoop verwijderen";
+$lang["sales_delete_successful"] = "Verkoop verwijderd.";
+$lang["sales_delete_unsuccessful"] = "Verkoop verwijderen mislukt.";
+$lang["sales_description_abbrv"] = "Beschr.";
+$lang["sales_discard"] = "Negeren";
 $lang["sales_discard_quote"] = "";
-$lang["sales_discount"] = "%";
-$lang["sales_discount_included"] = "% Korting";
+$lang["sales_discount"] = "Krtng";
+$lang["sales_discount_included"] = "% korting";
 $lang["sales_discount_short"] = "%";
-$lang["sales_due"] = "";
-$lang["sales_due_filter"] = "";
-$lang["sales_edit"] = "Bewerk";
-$lang["sales_edit_item"] = "Bewaar";
-$lang["sales_edit_sale"] = "Bewerk Ticket";
-$lang["sales_email_receipt"] = "Email Ticket";
+$lang["sales_due"] = "Te betalen";
+$lang["sales_due_filter"] = "Te betalen";
+$lang["sales_edit"] = "Bewerken";
+$lang["sales_edit_item"] = "Artikel bewerken";
+$lang["sales_edit_sale"] = "Verkoop bewerken";
+$lang["sales_email_receipt"] = "E-mail kassabon";
 $lang["sales_employee"] = "Werknemer";
-$lang["sales_entry"] = "";
-$lang["sales_error_editing_item"] = "Fout bij bewerken";
-$lang["sales_find_or_scan_item"] = "Zoek/Scan Product";
-$lang["sales_find_or_scan_item_or_receipt"] = "Zoek/Scan Product of Ticket";
+$lang["sales_entry"] = "Vermelding";
+$lang["sales_error_editing_item"] = "Fout bij artikel bewerken";
+$lang["sales_find_or_scan_item"] = "Artikel zoeken of scannen";
+$lang["sales_find_or_scan_item_or_receipt"] = "Artikel of kassabon vinden of scannen";
 $lang["sales_giftcard"] = "Cadeaubon";
-$lang["sales_giftcard_balance"] = "Cadeaubon Resterend";
-$lang["sales_giftcard_number"] = "Cadeaubon nummer";
-$lang["sales_group_by_category"] = "";
-$lang["sales_group_by_type"] = "";
-$lang["sales_hsn"] = "";
-$lang["sales_id"] = "Nummer Verkoop ";
-$lang["sales_include_prices"] = "";
+$lang["sales_giftcard_balance"] = "Cadeaubon saldo";
+$lang["sales_giftcard_number"] = "Cadeaubonnummer";
+$lang["sales_group_by_category"] = "Groeperen op categorie";
+$lang["sales_group_by_type"] = "Groeperen op soort";
+$lang["sales_hsn"] = "HSN";
+$lang["sales_id"] = "Verkoop ID";
+$lang["sales_include_prices"] = "Prijzen opnemen?";
 $lang["sales_invoice"] = "Factuur";
-$lang["sales_invoice_confirm"] = "Deze factuur zal verstuurd worden naar";
-$lang["sales_invoice_enable"] = "Maak Factuur";
+$lang["sales_invoice_confirm"] = "Deze factuur zal verzonden worden naar";
+$lang["sales_invoice_enable"] = "Factuurnummer";
 $lang["sales_invoice_filter"] = "Facturen";
-$lang["sales_invoice_no_email"] = "Er werd geen email adres gevonden voor deze klant";
+$lang["sales_invoice_no_email"] = "Deze klant bevat geen geldig e-mailadres.";
 $lang["sales_invoice_number"] = "Factuur #";
-$lang["sales_invoice_number_duplicate"] = "Factuur nummer %1 bestaat reeds.";
-$lang["sales_invoice_sent"] = "Factuur verstuurd naar";
-$lang["sales_invoice_total"] = "";
-$lang["sales_invoice_type_custom_invoice"] = "";
-$lang["sales_invoice_type_custom_tax_invoice"] = "";
-$lang["sales_invoice_type_invoice"] = "";
-$lang["sales_invoice_type_tax_invoice"] = "";
-$lang["sales_invoice_unsent"] = "Fout bij het versturen van factuur naar";
-$lang["sales_invoice_update"] = "Hernummer";
-$lang["sales_item_insufficient_of_stock"] = "Product is niet meer in voorraad";
-$lang["sales_item_name"] = "Naam";
-$lang["sales_item_number"] = "Product #";
-$lang["sales_item_out_of_stock"] = "Product is niet meer in voorraad";
-$lang["sales_mode"] = "Type Registratie";
-$lang["sales_must_enter_numeric"] = "Het ontvangen bedrag moet een numerieke waarde zijn";
-$lang["sales_must_enter_numeric_giftcard"] = "Er moet een geldige code worden ingevuld voor de cadeaubon";
+$lang["sales_invoice_number_duplicate"] = "Factuurnummer %1 moet uniek zijn.";
+$lang["sales_invoice_sent"] = "Factuur verzonden naar";
+$lang["sales_invoice_total"] = "Factuurtotaal";
+$lang["sales_invoice_type_custom_invoice"] = "Aangepaste factuur (custom_invoice.php)";
+$lang["sales_invoice_type_custom_tax_invoice"] = "Aangepaste belastingfactuur (custom_tax_invoice.php)";
+$lang["sales_invoice_type_invoice"] = "Factuur (invoice.php)";
+$lang["sales_invoice_type_tax_invoice"] = "Belastingfactuur (tax_invoice.php)";
+$lang["sales_invoice_unsent"] = "Fout bij verzenden van factuur naar";
+$lang["sales_invoice_update"] = "Opnieuw tellen";
+$lang["sales_item_insufficient_of_stock"] = "Artikel heeft onvoldoende voorraad.";
+$lang["sales_item_name"] = "Artikelnaam";
+$lang["sales_item_number"] = "Artikel #";
+$lang["sales_item_out_of_stock"] = "Artikel is niet voorradig.";
+$lang["sales_mode"] = "Registratie modus";
+$lang["sales_must_enter_numeric"] = "Betaald bedrag moet een getal zijn.";
+$lang["sales_must_enter_numeric_giftcard"] = "Cadeaubonnummer moet een getal zijn.";
 $lang["sales_new_customer"] = "Nieuwe klant";
-$lang["sales_new_item"] = "Nieuw Product";
-$lang["sales_no_description"] = "Geen";
-$lang["sales_no_filter"] = "Alle";
-$lang["sales_no_items_in_cart"] = "Er zijn geen aankopen geselecteerd";
-$lang["sales_no_sales_to_display"] = "Er werden geen aankopen gevonden";
-$lang["sales_none_selected"] = "U hebt geen aankopen geselecteerd";
-$lang["sales_nontaxed_ind"] = "";
-$lang["sales_not_authorized"] = "";
-$lang["sales_one_or_multiple"] = "aankopen verwijderd";
-$lang["sales_payment"] = "Betaalmethode";
+$lang["sales_new_item"] = "Nieuw artikel";
+$lang["sales_no_description"] = "Geen beschrijving";
+$lang["sales_no_filter"] = "Alles";
+$lang["sales_no_items_in_cart"] = "Geen artikelen in de winkelwagen.";
+$lang["sales_no_sales_to_display"] = "Geen verkopen om te weergeven.";
+$lang["sales_none_selected"] = "Geen verko(o)p(en) geselecteerd om te verwijderen.";
+$lang["sales_nontaxed_ind"] = " ";
+$lang["sales_not_authorized"] = "Deze actie is niet geautoriseerd.";
+$lang["sales_one_or_multiple"] = "Verko(o)p(en)";
+$lang["sales_payment"] = "Betalingssoort";
 $lang["sales_payment_amount"] = "Bedrag";
-$lang["sales_payment_not_cover_total"] = "Betaalde hoeveelheid is onvoldoende";
-$lang["sales_payment_type"] = "Type";
-$lang["sales_payments_total"] = "Betaald bedrag";
+$lang["sales_payment_not_cover_total"] = "Betaalde bedrag moet groter of gelijk zijn aan totaal.";
+$lang["sales_payment_type"] = "Soort";
+$lang["sales_payments_total"] = "Betalingstotaal";
 $lang["sales_price"] = "Prijs";
-$lang["sales_print_after_sale"] = "Print Ticket";
-$lang["sales_quantity"] = "Aantal";
-$lang["sales_quantity_less_than_reorder_level"] = "Waarschuwing, de gewenste hoeveelheid stock is overgeschreden.";
-$lang["sales_quantity_less_than_zero"] = "Waarschuwing, de gewenste hoeveelheid is onvoldoende. U kunt deze aankoop verwerken, maar kijk toch even de voorraad na.";
-$lang["sales_quantity_of_items"] = "";
-$lang["sales_quote"] = "";
-$lang["sales_quote_number"] = "";
-$lang["sales_quote_number_duplicate"] = "";
-$lang["sales_quote_sent"] = "";
-$lang["sales_quote_unsent"] = "";
-$lang["sales_receipt"] = "Ticket #";
-$lang["sales_receipt_no_email"] = "";
-$lang["sales_receipt_number"] = "Ticket #";
-$lang["sales_receipt_sent"] = "Ticket verstuurd naar";
-$lang["sales_receipt_unsent"] = "Fout bij het versturen van ticket naar";
-$lang["sales_refund"] = "";
-$lang["sales_register"] = "Kassa";
-$lang["sales_remove_customer"] = "Verwijder Klant";
-$lang["sales_return"] = "Retour";
-$lang["sales_rewards"] = "";
-$lang["sales_rewards_balance"] = "";
+$lang["sales_print_after_sale"] = "Afdrukken na verkoop";
+$lang["sales_quantity"] = "Hoeveelheid";
+$lang["sales_quantity_less_than_reorder_level"] = "Waarschuwing: gewenste hoeveelheid is lager dan het opnieuw bestellen niveau voor dit artikel.";
+$lang["sales_quantity_less_than_zero"] = "Waarschuwing: gewenste hoeveelheid is onvoldoende. De verkoop kan nog steeds verwerkt worden, maar controleer de voorraad.";
+$lang["sales_quantity_of_items"] = "Hoeveelheid van %1 artikelen";
+$lang["sales_quote"] = "Offerte";
+$lang["sales_quote_number"] = "Offertenummer";
+$lang["sales_quote_number_duplicate"] = "Offertenummer moet uniek zijn.";
+$lang["sales_quote_sent"] = "Offerte verzonden naar";
+$lang["sales_quote_unsent"] = "Offerte niet verzonden naar";
+$lang["sales_receipt"] = "Kassabon";
+$lang["sales_receipt_no_email"] = "Deze klant bevat geen geldig e-mailadres.";
+$lang["sales_receipt_number"] = "Verkoop #";
+$lang["sales_receipt_sent"] = "Kassabon verzonden naar";
+$lang["sales_receipt_unsent"] = "Kassabon niet verzonden naar";
+$lang["sales_refund"] = "Terugbetaling soort";
+$lang["sales_register"] = "Verkoopregister";
+$lang["sales_remove_customer"] = "Klant verwijderen";
+$lang["sales_return"] = "Retourneren";
+$lang["sales_rewards"] = "Beloningspunten";
+$lang["sales_rewards_balance"] = "Beloningspunten balans";
 $lang["sales_sale"] = "Verkoop";
-$lang["sales_sale_by_invoice"] = "";
+$lang["sales_sale_by_invoice"] = "Verkopen op factuur";
 $lang["sales_sale_for_customer"] = "Klant:";
-$lang["sales_sale_time"] = "Datum";
-$lang["sales_sales_tax"] = "";
-$lang["sales_select_customer"] = "Selecteer Klant (Optioneel)";
-$lang["sales_send_invoice"] = "Vestuur Factuur";
-$lang["sales_send_quote"] = "";
-$lang["sales_send_receipt"] = "Vestuur Ticket";
-$lang["sales_send_work_order"] = "";
-$lang["sales_serial"] = "Nummer";
-$lang["sales_show_invoice"] = "Factuur";
-$lang["sales_show_receipt"] = "Ticket";
-$lang["sales_start_typing_customer_name"] = "Typ naam klant...";
-$lang["sales_start_typing_item_name"] = "Typ naam product of barcode...";
-$lang["sales_stock"] = "";
-$lang["sales_stock_location"] = "Stock locatie";
+$lang["sales_sale_time"] = "Tijd";
+$lang["sales_sales_tax"] = "BTW";
+$lang["sales_select_customer"] = "Klant selecteren";
+$lang["sales_send_invoice"] = "Factuur verzenden";
+$lang["sales_send_quote"] = "Offerte verzenden";
+$lang["sales_send_receipt"] = "Kassabon verzenden";
+$lang["sales_send_work_order"] = "Werkorder verzenden";
+$lang["sales_serial"] = "Serieel";
+$lang["sales_show_invoice"] = "Factuur weergeven";
+$lang["sales_show_receipt"] = "Kassabon weergeven";
+$lang["sales_start_typing_customer_name"] = "Begin met typen klantgegevens...";
+$lang["sales_start_typing_item_name"] = "Begin met typen artikelnaam of scan streepjescode...";
+$lang["sales_stock"] = "Voorraad";
+$lang["sales_stock_location"] = "Voorraadlocatie";
 $lang["sales_sub_total"] = "Subtotaal";
-$lang["sales_successfully_deleted"] = "Uw aankoop werd verwijded";
-$lang["sales_successfully_restored"] = "";
-$lang["sales_successfully_suspended_sale"] = "Uw aankoop werd met sucess bewaard";
-$lang["sales_successfully_updated"] = "Wijzigingen bewaard voor ticket";
-$lang["sales_suspend_sale"] = "Bewaar aankoop";
-$lang["sales_suspended_doc_id"] = "";
+$lang["sales_successfully_deleted"] = "U heeft verwijderd";
+$lang["sales_successfully_restored"] = "U heeft hersteld";
+$lang["sales_successfully_suspended_sale"] = "Verkoop gesluimerd.";
+$lang["sales_successfully_updated"] = "Verkoop bijgewerkt.";
+$lang["sales_suspend_sale"] = "Sluimeren";
+$lang["sales_suspended_doc_id"] = "Document";
 $lang["sales_suspended_sale_id"] = "ID";
-$lang["sales_suspended_sales"] = "Bewaarde Aankopen";
-$lang["sales_table"] = "";
-$lang["sales_takings"] = "Overzicht";
-$lang["sales_tax"] = "VAT";
-$lang["sales_tax_id"] = "";
-$lang["sales_tax_invoice"] = "";
-$lang["sales_tax_percent"] = "VAT %";
-$lang["sales_taxed_ind"] = "";
+$lang["sales_suspended_sales"] = "Gesluimerd";
+$lang["sales_table"] = "Tafel";
+$lang["sales_takings"] = "Dagelijkse verkopen";
+$lang["sales_tax"] = "Belasting";
+$lang["sales_tax_id"] = "Belasting ID";
+$lang["sales_tax_invoice"] = "Belastingfactuur";
+$lang["sales_tax_percent"] = "Belasting %";
+$lang["sales_taxed_ind"] = "BTW ind";
 $lang["sales_total"] = "Totaal";
-$lang["sales_total_tax_exclusive"] = "Totaal";
-$lang["sales_transaction_failed"] = "Transactie mislukt";
-$lang["sales_unable_to_add_item"] = "Onmogelijk om product toe te voegen";
-$lang["sales_unsuccessfully_deleted"] = "De aankoop kon niet verwijderd worden";
-$lang["sales_unsuccessfully_restored"] = "";
-$lang["sales_unsuccessfully_suspended_sale"] = "Uw aankoop werd met sucess bewaard";
-$lang["sales_unsuccessfully_updated"] = "Fout bij het bewaren van ticket";
-$lang["sales_unsuspend"] = "Hervat";
-$lang["sales_unsuspend_and_delete"] = "";
-$lang["sales_update"] = "Bewerk";
-$lang["sales_upi"] = "";
-$lang["sales_work_order"] = "";
-$lang["sales_work_order_number"] = "";
-$lang["sales_work_order_number_duplicate"] = "";
-$lang["sales_work_order_sent"] = "";
-$lang["sales_work_order_unsent"] = "";
+$lang["sales_total_tax_exclusive"] = "Belasting uitsluiten";
+$lang["sales_transaction_failed"] = "Verkooptransactie mislukt.";
+$lang["sales_unable_to_add_item"] = "Artikel toevoegen aan verkoop mislukt";
+$lang["sales_unsuccessfully_deleted"] = "Verko(o)p(en) verwijderen mislukt.";
+$lang["sales_unsuccessfully_restored"] = "Verko(o)p(en) herstellen mislukt.";
+$lang["sales_unsuccessfully_suspended_sale"] = "Verkoop sluimeren mislukt.";
+$lang["sales_unsuccessfully_updated"] = "Verkoop bijwerken mislukt.";
+$lang["sales_unsuspend"] = "Ontsluimeren";
+$lang["sales_unsuspend_and_delete"] = "Actie";
+$lang["sales_update"] = "Bijwerken";
+$lang["sales_upi"] = "UPI";
+$lang["sales_work_order"] = "Werkorder";
+$lang["sales_work_order_number"] = "Werkordernummer";
+$lang["sales_work_order_number_duplicate"] = "Werkordernummer moet uniek zijn.";
+$lang["sales_work_order_sent"] = "Werkorder verzonden naar";
+$lang["sales_work_order_unsent"] = "Werkorder niet verzonden naar";
+$lang["sales_cash_adjustment"] = "Contant correctie";