How Is the Effective Tax Rate (ETR) Calculated? A Step-by-Step Example
Pillar 2 revolves around a single rate. That rate is derived not from the tax base you're used to, but from your financial statements — and that difference changes everything.
Safe Harbours: Which Companies Benefit from the Simplified Regime?
Not every group within scope has to perform the full calculation. If you pass one of three tests, the top-up tax in Türkiye is deemed to be zero, freeing you from the burden of detailed calculation.
Filing Obligations: The Global Top-up Tax Return, the GIR, and the Notification Form
Under Pillar 2, you may have a filing obligation even if you owe no tax. Which form is filed by whom is the most commonly confused aspect of implementation.
What Did the First Filing Period Teach Us? Lessons from the 2024 Fiscal Year Implementation
The first year of implementation is now behind us. The process revealed that it was the timeline of the legislation — not its text — that proved problematic, and this carries concrete lessons for the period ahead.
Investment Incentives, R&D Deductions, and Free Zones: Does Your Advantage Expose You to Additional Tax?
An investment made on the strength of an incentive certificate obtained years ago may today face an unexpected tax burden. The problem is not that the incentive is invalid — it's that its benefit is being clawed back through a different channel.