Uniform Invoice Award Regulations Article 16
Three percent (3%) of the annual business tax revenue will be set aside to support payment of rewards for winning numbers, expenses for various promotion, data investigation and verification, and rewards for informers as well as fees for the sale of uniform invoices and expenditures of the designated unit.
中文原文 統一發票給獎辦法第16條
統一發票中獎之獎金、各項宣傳、資料調查及稽查之費用、檢舉之獎金、統一發票發售及專責單位所需經費，由全年營業稅收入總額中提出百分之三，以資支應。