Everhour connects time tracking to reporting, while Turkish invoices require KDV details and the right e-document format.
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A Turkish invoice should give your buyer a clear commercial record and the tax details needed for accounting. For domestic work, build the invoice around Turkish lira amounts, your seller details, the buyer's details, the work or goods supplied, and the KDV treatment. The finished document should identify the parties, describe the sale, show the amount due, and leave no doubt about the invoice date or number.
Turkey's invoice rules sit inside the Tax Procedure Law e-document framework and the Turkish VAT regime, called KDV. Many businesses cannot treat the invoice as a simple PDF. If both seller and buyer are registered e-Fatura users, invoices between them must be issued and received as e-Fatura unless a stated exception applies. Other transactions often fall under e-Arşiv rules.
Start with the issue date, document number, seller name or trade name, seller address, seller tax office, and seller VKN/TCKN. Add the buyer name or trade name and buyer tax ID where applicable. Each line should state the goods or work description, quantity, unit price, total amount, tax type, KDV rate, and KDV amount. Goods invoices also need the delivery date and dispatch note number.
Turkish e-documents use a specific numbering structure: a 3-character unit code plus a 13-digit sequence. That sequence includes a 4-character year and a 9-character serial number that starts from 1 at the beginning of each year and cannot be reused by the taxpayer. Treat the number as a controlled record, not a label you edit later for convenience.
KDV is the tax line that usually decides whether a Turkish invoice is usable for bookkeeping. The general KDV rate is 20%. Reduced rates apply at 1% for List No. I supplies and 10% for List No. II supplies, including basic foodstuffs, textiles, books, and similar publications. Use the rate that matches the supply, then show the tax type, rate, and amount on the invoice.
E-document status also changes the workflow. Taxpayers with gross sales revenue or gross business revenue of TRY 3 million or more in the 2022 accounting period or later accounting periods are within the general e-Fatura mandate. Certain e-commerce marketplace, online listing, online advertising intermediary, and online seller categories face e-Fatura/e-Arşiv transition rules at TRY 500,000 or more for 2022 and later accounting periods.
A free invoice file is enough when you need a single, straightforward document and already know the buyer's e-document status, tax IDs, KDV rate, and payment terms. It works for a low-volume seller who can manually confirm the required Turkish fields before sending the invoice through the proper e-Fatura or e-Arşiv route.
A managed workflow becomes cleaner when invoices come from tracked work, project costs, and recurring client rules. Everhour Reporting can organize billable time, non-billable time, invoice status, budget data, costs, revenue, and profit with configurable columns, grouping, filters, exports, and scheduled email delivery. That reporting layer gives billing teams a durable record before invoice totals move into accounting.
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 Turkish invoice identifies taxpayers with a VKN or TCKN. Businesses generally use the VKN, while individuals use the Turkish identity number where applicable. The seller's registered tax office also belongs on the invoice, and the buyer's tax ID appears where the transaction requires it. Missing taxpayer identifiers create matching problems for bookkeeping and e-document processing.
KDV applies to deliveries of goods and services under Turkey's value-added tax regime, with input KDV offset against output KDV on the VAT return. The invoice should show the tax type, rate, and amount when KDV applies. The standard rate is 20%, with reduced rates of 1% and 10% for listed categories.
Transactions between two registered e-Fatura users must be issued and received as e-Fatura unless a stated exception applies. The e-Fatura mandate also covers taxpayers meeting the general TRY 3 million gross sales or gross business revenue threshold for the 2022 accounting period or later accounting periods. E-commerce categories have separate TRY 500,000 transition rules.
Internet sales e-Arşiv invoices need more than the normal buyer, seller, line, and KDV fields. They must state that the sale was made online and include the website address, payment method, payment date, carrier name and VKN/TCKN for goods shipments, shipment or service performance date, and return-section details for returned goods.
Payment terms are a commercial term in Turkey, not a substitute for the required invoice structure. A clear due date helps collection, but the invoice still needs the issue date, document number, party details, tax IDs, line descriptions, quantities, prices, tax type, KDV rate, KDV amount, and delivery details where goods are involved.
Everhour Reporting turns logged time, budgets, costs, and project data into customizable reports before invoice preparation. Teams can build reports with 45+ columns, metadata filters, grouping, date ranges, and exports, then review billable time, non-billable time, invoice status, revenue, and profit before totals move into the Turkish invoice workflow.
Everhour Billing & Invoicing turns tracked billable time and expenses into client invoices. It calculates invoice amounts from rates, time, and billable expenses, excludes non-billable work, supports configurable line-item grouping, and marks invoiced time so the same work does not appear again in a later invoice.
Use Everhour Reporting to review billable work, costs, invoice status, and profitability before preparing client invoices, with grouped exports and scheduled delivery as the Everhour benefit.
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