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User guides / Supplier countries A supplier whose bank account is held in Mexico sees the fields below. The country is chosen on the form, and changing it changes the fields, so a supplier is never asked for a detail their country does not use.

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Bank details

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IBAN

An IBAN is optional for Mexico. It is up to 34 characters and is checked against the ISO 7064 MOD-97 algorithm, which catches a mistyped or transposed digit before the details reach your finance system.

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Tax and company registrations

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Where these rules come from

Oracle Fusion Cash Management 26c MX validations; Banxico CLABE spec. The CLABE is required and the account number is not: the CLABE contains the bank, the branch and the account, and is what Mexican suppliers quote. The rules on this page are confirmed against a primary source, so they are enforced strictly. Configuration version 2026.09.1. Your organization can override any of these rules for its own suppliers.

Supplier countries

Every country Coverbase validates, side by side.

Supplier information guide

How these details are collected, reviewed, and handed to your finance system.