Yes If the taxpayer is a resident of Taiwan Province Province, China, it is a valid "mainland travel permit for taiwan residents, China" and "Resident Residence Permit of Taiwan Province Province, People's Republic of China (PRC)", so people in Taiwan Province Province, China can obtain the taxpayer identification number. Taxpayer identification number is the taxpayer's "ID number" in the tax department, which is unique and mainly convenient for tax collection and management by tax authorities.