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There are a many different types of the SSN (CPF, NIT, CNPJ, NINO, RG, SIN, CEI). They have different format, length and characters.

Our masking algorithm replaces only numeric characters (after third) to random.

For example:

Original SSN

Masked SSN

273892442483

273163852637

992-718-759

992-342-475

CX993329B

CX993354B

10.647.743/0001-01

10.612.345/6789-05

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