Clicking a law opens its current consolidated text in the Presidency's Legislation Information System (mevzuat.gov.tr; Turkish). The "On this site" column leads to the related calculator or page.
Tax
| No. | Law | Covers | On this site |
|---|---|---|---|
| 213 | Tax Procedure Law | Books, documents, returns, notification, valuation, penalties | Tax penalties · Depreciation |
| 193 | Income Tax Law | Individuals' income, wages, withholding, exemptions | Income tax brackets · Withholding rates |
| 5520 | Corporate Tax Law | Company profits, exemptions, dividends, minimum tax | Corporate tax · Dividends |
| 3065 | VAT Law | VAT, withholding, exemptions, refunds | VAT calculator · VAT withholding rates |
| 488 | Stamp Duty Law | Contracts, payroll, balance sheets, returns | Stamp duty |
| 492 | Law on Fees | Trade registry, land registry, notary and court fees | Trade registry fees |
| 197 | Motor Vehicles Tax Law | Vehicle tax | Company car expense limits |
| 4760 | Special Consumption Tax Law | Fuel, cars, alcohol, tobacco etc. | VAT and SCT |
| 6183 | Law on Collection of Public Receivables | Late payment interest, attachment, deferral, shareholders' liability | Late payment interest |
| 1319 | Property Tax Law | Buildings, plots and land | Property tax |
Social security and employment
| No. | Law | Covers | On this site |
|---|---|---|---|
| 5510 | Social Insurance and General Health Insurance Law | Insurance, premiums, incentives, benefits, fines | Premium rates · Bağ-Kur |
| 4447 | Unemployment Insurance Law | Unemployment benefit, short-time work | Unemployment benefit · Short-time work |
| 4857 | Labour Law | Contracts, termination, wages, working time, leave | Annual leave · Overtime |
| 1475 | (Former) Labour Law | Severance pay still follows its art. 14 | Severance, notice and leave |
| 6331 | Occupational Health and Safety Law | OHS services, risk assessment | |
| 6356 | Trade Unions and Collective Labour Agreements Law | Unions, collective agreements | |
| 6735 | International Labour Force Law | Work permits for foreigners | Work permits |
| 6458 | Law on Foreigners and International Protection | Residence permits | Residence permits |
Companies and trade
| No. | Law | Covers | On this site |
|---|---|---|---|
| 6102 | Turkish Commercial Code | Company types, capital, organs, books, mergers, conversions | Trade registry procedures |
| 6098 | Turkish Code of Obligations | Contracts, leases, service contracts | Rent increase |
| 1163 | Cooperatives Law | Formation and operation of cooperatives | Other company types |
| 5174 | Law on Chambers and Commodity Exchanges | Chamber registration, dues, occupational groups | Trade registry fees |
| 4054 | Law on Protection of Competition | Competition Authority share (art. 39) | Company formation cost |
| 4875 | Foreign Direct Investment Law | Investor rights | Foreign investors |
| 6563 | Law on Regulation of Electronic Commerce | e-Commerce, ETBİS | Marketplace withholding |
| 6698 | Personal Data Protection Law | KVKK obligations | |
| 3568 | Law on Certified Public Accountancy | Professionals' powers and liabilities |
Key regulations and communiqués
Regulations and communiqués change often; find their current texts by name in the Legislation Information System or on the issuing body's site:
- VAT General Implementation Communiqué (withholding, exemptions, refunds) · Revenue Administration
- Tax Procedure Law General Communiqués (e-Invoice, e-Ledger: No. 509 and amendments; annual penalty and threshold communiqué, No. 588 for 2026)
- Social Insurance Procedures Regulation (notifications, premiums) · SGK
- Working Time, Overtime and Annual Paid Leave Regulations · Ministry of Labour
- Regulation on Workplace Opening and Operating Licences: Licences and permits
- Trade Registry Regulation, Communiqué on Trade Names, MERSİS · Ministry of Trade; examples at ITO trade registry practice
- Daily changes: Daily legislation digest