e-Fatura and e-Documents

The rules and daily practice of electronic invoicing: which document, when, how to issue it and how to correct it.

• How to issue an e-Fatura in Türkiye: a 2026 step-by-step guide — How to issue an e-Fatura in Türkiye in 2026: joining the system, checking the buyer, mandatory fields, scenarios, sending and credits, step by step.
• Invoice deadline and threshold in Türkiye 2026: the 7-day rule, 12,000 TL and penalties — Turkish invoices are due within 7 days; the 2026 invoicing threshold is 12,000 TL. How to count the deadline, special cases and the penalty.
• The difference between e-Fatura and e-Arşiv invoices in Türkiye: the 2026 rules — e-Fatura vs e-Arşiv invoices in Türkiye: 2026 thresholds, basic and commercial scenarios, the 8-day objection period, the 7-day rule, returns and retention.
• E-export guide for businesses in Türkiye: micro exports, ETGB, export invoices and VAT refunds — What is a micro export, what is the ETGB limit, is an export invoice an e-Fatura or e-Arşiv, and how do VAT exemption and refunds work? A 2026 guide for SMEs.
• Return and cancellation invoices in Türkiye: fixing a wrong invoice the right way — How to cancel an e-Fatura or e-Arşiv invoice, where to object, and who issues the return invoice in Türkiye. Deadlines, VAT impact and TL examples for SMEs.
• e-SMM guide for Türkiye: withholding, VAT and net-to-gross on self-employment receipts — Who must issue an e-SMM, who withholds the tax, how is VAT calculated? A Turkish e-SMM guide with net-to-gross math, TL examples and record-keeping tips.
• Foreign currency invoices and exchange differences in Türkiye: the rules for selling in euros and settling in lira — How to issue a foreign currency invoice in Türkiye, which TCMB rate to use, who issues the exchange difference invoice and how VAT works, with a TL example.
• e-Defter and e-Dönüşüm in Türkiye: which e-document becomes mandatory when, and how to prepare your business — Who must keep an e-Defter in Türkiye, when the berat is due and how long records are kept, plus e-Fatura, e-Arşiv, e-İrsaliye and e-SMM thresholds.
• How to create a quote: from quote to invoice draft in Heyşirket — Create price quotes in Heyşirket: line items, validity dates, quote statuses and turning an accepted quote into an invoice draft with a single click.
• Managing invoices: the list, filters, drafts and invoice details — A guide to the Heyşirket Invoices screen: status and payment filters, overdue invoices, drafts, CSV export and emailing invoices from the invoice details.
• Connecting your e-Belge provider: testing, going live and credits — Set up your e-Belge provider account for e-Fatura and e-Arşiv in Heyşirket, test it in trial mode and go live. Includes notes on credits and invoice series.
• How to issue an invoice: from a blank form to an official invoice in Heyşirket — Issue a sales invoice in Heyşirket in three steps: customer and items, due date and note, PDF check. VAT, discounts, drafts and emailing explained.

e-Fatura and e-Arşiv from one screen: The right document for each buyer, automatically; pre-accounting is included in Professional.

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