Tax settlement certificate requires payment within fifteen days to finalize declared disputed tax liabilities under the scheme. The certificate records amounts determined as payable by the declarant for full and final settlement of declared tax arrears, listing disputed liability types, gross arrear, settlement amount, amounts already paid and the balance after adjustment. The declarant must pay the balance shown within fifteen days of receipt; non-payment within that period causes the original declaration to be treated as void and never made. The certificate is issued and signed by the designated authority and includes certificate number, place and date.