Generate valid State Registration (IE) numbers for all Brazilian states. Each state has its own validation algorithm. Ideal for testing, development and system validation.
Generate with formatting
Auto copy
About State Registration Generator
Complete tool that generates mathematically valid State Registration (IE) numbers for all 27 Brazilian states. Each state has its own validation algorithm with specific formats and check digits. Ideal for software development, system testing, form validation and educational purposes.
Tool Features
•Support for all 27 Brazilian states
•Correct validation algorithms per state
•Correct formatting according to each state's standard
•Automatic or manual copy
•Generate with or without formatting
How to Use
• Select the desired state
• Click 'Generate State Registration'
• Copy the generated number to use in your tests
• Use only for testing, development and educational purposes
About State Registration
State Registration (IE) is a registration number assigned to companies by Brazilian states for ICMS (Tax on Circulation of Goods and Services) control purposes. Each state has specific format and validation algorithm.
⚠️ Important: The generated State Registrations are mathematically valid, but do not represent real registrations registered with state Finance Departments. Use only for testing, software development and education purposes. Do not use for fraudulent or illegal activities.