REVENUE REGULATIONS NO. 15-2018 issued on April 5, 2018 amends Revenue Regulations (RR) No. 8-2018 by extending the deadline of updating of registration of taxpayers from Value-Added Tax (VAT) to non-VAT from March 31, 2018 to April 30, 2018. All existing VAT-registered taxpayers whose gross sales/receipts and other non-operating income in the preceding year did not exceed the VAT threshold of P3,000,000.00 shall have the option to update their registration to non-VAT until April 30, 2018, following the existing procedures on registration updates, and the inventory and surrender/cancellation of unused VAT invoices/receipt. After the above-mentioned date, existing VAT-registered taxpayers who have not exceeded the threshold for the immediately preceding three years may opt to update their registration to non-VAT following the rules and regulations on registration updates, verification, and the inventory and cancellation of VAT invoices/receipts.