Tax procedures
How a business deals with the tax administration: filing, payment, audits and appeals.
Law no. 9920/2008Read more →
Topic
Here you'll find information on tax legislation, the main obligations of a business and the changes that may affect your activity. Choose the topic you're interested in to read practical explanations and find the relevant laws, instructions and official sources.
What you'll find here
Topics
For each topic you'll find the key issues, the questions businesses ask most often, the legal basis and practical articles from Abacus.
How a business deals with the tax administration: filing, payment, audits and appeals.
Law no. 9920/2008Read more →
How the taxable result is calculated, which expenses are recognised, and how instalments and the annual return work.
Law no. 29/2023Read more →
When does a business need to register for VAT? How does VAT work on purchases and sales, filing and the related obligations?
Law no. 92/2014Read more →
Electronic invoices, issuing and correcting invoices, payments, and what to do when the system has problems.
Law no. 87/2019Read more →
Tax on salaries, social and health insurance, payroll lists and the employer's obligations.
Law no. 29/2023 · Law no. 7703/1993Read more →
Distributing profit to shareholders, tax on dividends, and payments where tax is withheld at source.
Law no. 29/2023Read more →
Municipal taxes and fees, property tax, and how to check your business's local obligations.
Law no. 9632/2006Read more →
Tax residence, payments to non-residents and agreements for the avoidance of double taxation.
Law no. 29/2023 · Instruction no. 11/2024Read more →
National taxes, imports and exports, customs documents and excise duty, for the businesses they apply to.
Law no. 9975/2008 · Law no. 102/2014 · Law no. 61/2012Read more →
Legal library
Browse by type of document. Links lead to the official sources, where the version in force is always available.
The main tax laws, with their amendments.
Ministry of Finance instructions explaining how the laws are applied.
Council of Ministers decisions implementing the tax laws, for example on fiscalization.
Agreements for the avoidance of double taxation and the instruction on applying them.
What has changed, who it affects and when it applies.
Read also
These laws connect with your tax obligations but are covered in their own sections.
2 articles
Tax & Legislation27 Oct 2026
Missed deadlines mean penalties. Here is how to build a simple compliance calendar for your monthly, periodic and annual obligations.
Tax & Legislation27 Oct 2026
What VAT is, when your business must register, how invoicing and fiscalization work, and the simple habits that keep you compliant.
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