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Tax Identification Services (TWFidO)
To expand E-tax payment channels, in addition to on-line inquiry and tax payment on the local tax declaration website (https://net.tax.nat.gov.tw) through registered health insurance card, natural person certificate, industrial and commerce identification card or financial certificate, TWFidO tax inquiry and payment service has been added. People only need to download the Taiwan Fast Identify Online (TWFidO) APP on their mobile phones, and then go to the official website (https://fido.moi.gov.tw) to register the natural person certificate, bind it to the mobile phone, and complete the mobile identity recognition. People can then log in to the local tax declaration website to check and pay taxes online through mobile  fingerprint or face print.