Ukey web version of the invoice prompts that the client cannot invoice, so you need to contact the tax bureau to reset it. VAT invoice software (tax Ukey version) has three passwords, namely tax Ukey password, digital certificate password and administrator login password.

Invoicing refers to the situation of issuing invoices according to laws and regulations. Based on the need to prove the transfer of ownership of goods and funds, accounting and tax management, when confirming business income, the payee should issue an invoice to the payee, and under special circumstances, the payer should issue an invoice to the payee.