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          |  |  | The PublicCA is the Level  1 Subordinate CA of Chunghwa Telecom ecommerce Public Key Infrastructure  (ePKI), and is responsible for issuance and management of the certification of  natural person, organization, equipment or application software in the  Infrastructure. 
 Subscribers  may  use the certificates for internet order placing, internet banking, internet  tax filing, secure transmission, data encryption, and identity certification,  among others.
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