South Korean VAT invoices need precise tax fields, and Everhour helps keep billable work ready before billing starts.
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A South Korean business invoice for taxable supplies is usually a VAT tax invoice under the Value-Added Tax Act. The document identifies VAT, not GST or American sales tax, and uses each party's business registration number as the tax identifier. Your goal is a billing record that the buyer can process and use to support input-tax credit claims.
The practical output is a clear invoice with seller details, buyer details, item or service particulars, the supply value, the VAT amount, and the date of preparation. South Korean VAT invoice-content rules do not create one universal payment term, so the due date comes from the contract or agreed commercial terms.
A compliant Korean VAT tax invoice states the supplier's registration number and name or trade name, plus the buyer's business registration number. It also separates the taxable supply value from the VAT amount. The standard VAT rate is 10% unless a zero-rate or exemption rule applies, so the tax line must follow the actual treatment of the supply.
The date matters because the VAT Act requires the date of preparation, and decree rules add transaction details such as item information and supply date. A tax invoice is generally issued at the time of supply. The VAT Act also permits statutory exceptions, including consolidated monthly issuance by the 10th day of the following month in allowed cases.
South Korea has an electronic tax invoice mandate for corporate businesses and individual businesses prescribed by Presidential Decree. Those businesses issue electronic tax invoices instead of paper tax invoices. Issuing the document is only part of the workflow because electronic tax invoice details must also be transmitted to the National Tax Service by the statutory deadline.
The usual transmission deadline under the decree rules is the day after issuance. That deadline creates a workflow risk when invoice preparation, review, and approval sit in separate spreadsheets or inboxes. Keep the tax fields, supply timing, and buyer registration details ready before issuance so the electronic reporting step does not expose missing information.
A free invoice tool is enough when you need a single Korean VAT invoice, already know the buyer's business registration number, have the correct supply value, and can manage any electronic tax invoice obligations separately. It also works for occasional billing where the contract sets the due date and no one needs a reusable audit trail beyond the issued document.
A managed workflow fits recurring client work, mixed billable and non-billable tasks, or projects where time has to feed the invoice. Everhour supports project billing status, task-level non-billable controls, custom task rates, member-rate exceptions, and admin reports for billable time, non-billable time, billable amount, and cost before an invoice is prepared.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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A taxable business invoice in South Korea is usually a VAT tax invoice under the Value-Added Tax Act. It identifies VAT, uses business registration numbers, and separates the value of supply from the VAT amount. Ordinary commercial invoices that lack those tax fields do not serve the same VAT documentation purpose.
A Korean VAT tax invoice must show the supplier's business registration number and name or trade name. It must also include the business registration number of the person receiving the supply. That registration number is the core tax-registration identifier under South Korea's VAT registration rules.
South Korea uses VAT for taxable supplies of goods and services. The standard VAT rate is 10% of the taxable supply value unless a zero-rate or exemption rule applies. The invoice should label the tax as VAT and show the supply value and VAT amount separately.
Corporate businesses and individual businesses prescribed by Presidential Decree must issue electronic tax invoices rather than paper tax invoices. After issuance, the electronic tax invoice details must be transmitted to the National Tax Service by the statutory deadline, generally the day after issuance under the decree rules.
Issuing the invoice without matching the time of supply creates problems. A South Korean VAT tax invoice is generally issued when the goods or services are supplied, with statutory exceptions such as consolidated monthly issuance by the 10th day of the following month where the VAT Act permits it.
Everhour lets admins set project billing status, mark specific tasks as non-billable, use custom task rates, and set member-rate exceptions. Reports can show billable time, non-billable time, billable amount, and cost, so invoiceable work is separated before the billing document is created.
Everhour Billing & Invoicing lets users select uninvoiced time and expenses, preview the breakdown, and generate invoices from billable work. Invoice lines can be grouped by structures such as project, task, person, or date, then exported to QuickBooks Online, Xero, or FreshBooks.
Track billable and non-billable work before billing, then use Everhour reports to prepare cleaner client invoices with clearer amounts, rates, and costs.
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