CEI Generat..

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Use the CEI generator for create valid CEI number


CEI Generator

About

The alghorythm used to generate the CEI code is the same that guarantees basic authentication on website forms, as it merely follows a given pattern. Generated CEI's are possibly not even real and shouldn't be used on attempt of any illegal activity.

Whats is CEI?

The Cadastro Específico do INSS (National Social Security Institute) (CEI), is used by individuals who are legally equivalent to companies, that is, natural persons, common, but who, in exercising their activities, have a status of company.

The CEI generate 12 digit numbers, and the last digit is the verify number obtained from sum and subtract from others.

Generation and Validation of CEI

The CEI generator verify multiplying the last eleven numbers for each weigth, sum all of them and now sum the unity digit and tens digit, lastly get the unity digit got on the last sum and subtract from 10. And this is the verify digit of CEI generated from generator.

Using the tool

This tool was developed for programmers and testers who have the constant need to enter different CEI numbers in developing forms.

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