A wrong invoice is not just a surprise; it delays month-end close and triggers reissue requests. Verifying details before the first invoice is the highest-leverage step.
A first-invoice check is 15 minutes; retroactive corrections are weeks. The math shows which step is smarter.
Fields to keep accurate
- Company title (per commercial registry).
- Tax office and tax ID.
- Address consistent with the tax office record.
- Authorized contact and email.
- Billing address if different from main.
VAT and rates
SaaS billing in Turkey is generally subject to 20% VAT. For cross-border services, review the reverse-charge mechanism with your accountant.
Retroactive corrections
Reissuing past invoices is possible but takes time. First confirm the new period is correct, then ask support to correct historical records.
Kontrol listesi / Checklist
- Title matches commercial registry exactly.
- Tax office and ID confirmed.
- Authorized contact and email set.
- VAT rate aligned with finance.
- First invoice was reviewed by finance.
SSS / FAQ
Can I bill as a sole proprietor?
Yes. Coordinate with finance whether to provide tax ID or national ID for invoicing.
How is VAT handled with foreign cards?
The payment provider handles VAT automatically. For edge cases, run it past your accountant.