Knowledge Centre

Welcome to our Knowledge Centre.

Current briefing notes, guides, events and videos on legislative developments and cross-border trade.

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Köksal Attorney Partnership — investment, tax incentives and financial structuring work7 July 2026Cover · IOSS/OSS
GuideTax & Incentives

IOSS and OSS: a VAT guide for Turkish stores selling to the EU

In e-exports to the EU, the right VAT setup is part of the sales experience: with IOSS, deliveries with no doorstep surprises; with OSS, a single return. Registration, thresholds and marketplace scenarios.

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Köksal Attorney Partnership — international desks, global network and GGI work7 July 2026Cover · AB’ye e-ticaret
GuideTax & Incentives

E-commerce from Türkiye to the EU: VAT, OSS/IOSS and GDPR checklist

The three compliance layers of selling online to consumers in the EU: VAT registrations (OSS/IOSS), GDPR and consumer rules. A market-entry checklist for Turkish e-commerce companies.

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Köksal Attorney Partnership — international desks, global network and GGI work30 June 2026Cover · Distance sales 2026
GuideTax & Incentives

Distance sales contracts in 2026: new rules and the complete anatomy of the text

With the amendments that entered into force on 1 January 2026, return shipping costs shifted to the seller and the right of withdrawal returned for electronic devices. The 2026 anatomy of the distance sales contract and the preliminary information form.

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Köksal Attorney Partnership — investment, tax incentives and financial structuring work23 June 2026Cover · Investment incentive
GuideESG & Supply Chains

Investment incentive certificate: scope, application and common mistakes

From VAT exemption to tax reduction, from social-security support to customs exemption: what the investment incentive certificate provides, the application process, and the mistakes that put the certificate at risk.

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Köksal Attorney Partnership — data, artificial intelligence, cybersecurity and legal tech work23 June 2026Cover · Cookies & notice
GuideData Protection

Cookie banner and information notice: KVKK/GDPR dual compliance in e-commerce

Stores selling to both Türkiye and the EU have to satisfy two data protection regimes on the same site. A practical guide that combines the cookie banner, the information notice and the consent setup in a single layer.

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Köksal Attorney Partnership — data, artificial intelligence, cybersecurity and legal tech work16 June 2026Cover · GDPR & e-ticaret
GuideData Protection

GDPR compliance in e-commerce: a roadmap for Turkish stores selling to the EU

Every Turkish store selling to consumers in the EU is within the scope of the GDPR — not having a company in the EU does not change the rule. From the representative to cookies, an actionable six-step compliance plan.

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Köksal Attorney Partnership — data, artificial intelligence, cybersecurity and legal tech work9 June 2026Cover · AI Act
GuideData Protection

EU AI Act compliance timeline: a roadmap for your company

Prohibitions and AI literacy in force, GPAI rules applying, and the high-risk regime from 2 December 2027: a step-by-step compliance timeline for your company.

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Köksal Attorney Partnership — contract and advisory documents on a desk5 May 2026Cover · M&A due diligence
GuideESG & Supply Chains

Acquiring a company in Türkiye: the anatomy of the due diligence process

The real picture of the target company: the scope of legal due diligence, red flags, translating findings into the contract, and the Competition Authority threshold.

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Köksal Attorney Partnership — contract and advisory documents on a desk16 April 2026Cover · Incorporation in Türkiye
GuideESG & Supply Chains

Company formation in Türkiye for foreign companies: step by step

Joint-stock company, limited liability company, branch, or liaison office? Entity type selection, formation steps, E-TUYS notification, and the first-year compliance calendar for foreign companies entering Türkiye.

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Köksal Attorney Partnership Germany Desk — meeting room linking İstanbul and Berlin2 April 2026Cover · Germany GmbH
GuideTax & Incentives

Setting up a company in Germany: a GmbH guide for Turkish entrepreneurs

GmbH, UG or a branch? For Turkish companies expanding into Germany: incorporation steps, capital, tax registration, bank account and the first year’s compliance timeline.

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Köksal Attorney Partnership — investment, tax incentives and financial structuring work18 March 2026Cover · Residence & work permit
GuideForeign Investment

A guide to residence and work permits in Türkiye for foreign investors

The permit architecture for foreigners who set up a company or take up a post in Türkiye: work permit requirements, residence permit types, the Turquoise Card and common application mistakes.

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Köksal Attorney Partnership — contract and advisory documents on a desk24 February 2026Cover · Internal investigation
GuideESG & Supply Chains

How is an internal investigation conducted? A step-by-step legal guide

Suspicion of misconduct, a whistleblower report, or a compliance breach: the lawful structuring of an internal investigation — planning, evidence gathering, interviews, reporting, and final decisions.

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Legislation Radar

We monitor developments in Turkish, German and EU legislation, including their status, citation and impact on your business. Every record is explained in plain language and linked to the official text.

60 records monitored · the radar is continuously updated
Open the Legislation Radar Each record is classified by Region · Type · Status and its related practice area.

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A Köksal brand · koksalakademi.com

Where knowledge becomes practical.

Köksal Academy is the educational arm that brings the 39 years of experience of Köksal Attorney Partnership and Köksal Advisory into learning. Our law firm advises; the Academy teaches. We continue to share current briefing notes here, while the Academy hosts all educational and academic content.

“Let us set out on this journey together, pursuing success at every step.”

Prof. Dr. iur. Mehmet KöksalFounder & Academic Director
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No. Briefing notes, articles and guides are for general information and do not replace legal advice. Please contact our team for an assessment of your specific circumstances.

Our region-focused LinkedIn newsletters are published in Turkish, German and English. You can subscribe with one click from the relevant newsletter page.

The Knowledge Centre is where our law firm shares current briefing notes and commentary. Köksal Academy is our educational arm, offering certificate programs, corporate training and academic content. In short: the firm advises; the Academy teaches.

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