# Mexican banking explained

How money moves in Mexico, explained for finance teams that collect from Mexican customers or run a Mexican entity.

Each guide explains one Mexican banking or tax term in plain English, with the official source it rests on.

- [How to read a Mexican business bank statement](/en/guides/how-to-read-a-mexican-bank-statement): A field-by-field guide to the Mexican estado de cuenta for foreign finance teams, covering abonos, cargos, concepto, referencia, ordenante and balances.
- [Month-end close in Mexico: a guide for foreign controllers](/en/guides/month-end-close-in-mexico): How a Mexican entity closes the month (bank reconciliation, CFDI against deposits, SAT filings at a high level) and a timeline that fits group reporting.
- [Mexican payment references: concepto, referencia, convenio](/en/guides/payment-references-in-mexico): How Mexican payers identify a transfer, from the free-text concepto and numeric referencia to bank collection agreements and cash at OXXO stores.
- [PUE vs PPD: choosing the payment method on a CFDI](/en/guides/pue-vs-ppd-explained): The difference between PUE and PPD on a Mexican CFDI invoice, how to pick the right code before issuing, and what each choice means for payment receipts.
- [Why unidentified deposits matter for a Mexican entity](/en/guides/unidentified-deposits-in-mexico): Why Mexican bank accounts collect deposits nobody can attribute, how to investigate them, and why unexplained money can become a tax question with SAT.
- [How to verify a SPEI payment with Banxico's CEP](/en/guides/what-is-a-cep): What a CEP (Comprobante Electrónico de Pago) proves, the five details you need to download one from Banxico, and how to check it against your statement.
- [CFDI basics: Mexico's electronic invoice for foreign teams](/en/guides/what-is-a-cfdi): What a CFDI is, how it is stamped and validated with SAT, the document types and fields AR teams use, and how it connects invoices to bank deposits.
- [CLABE explained: Mexico's 18-digit account number](/en/guides/what-is-a-clabe): How the 18-digit CLABE is built (bank, plaza, account and check digit), how to validate one before paying, and why it matters for collections.
- [How to trace a SPEI transfer with its clave de rastreo](/en/guides/what-is-a-clave-de-rastreo): What the clave de rastreo (SPEI tracking key) is, where to find it on receipts and statements, and how to use it to trace, dedupe and dispute payments.
- [Complemento de pago: Mexico's CFDI payment receipt](/en/guides/what-is-a-complemento-de-pago): What a complemento de pago (REP) is, which invoices need one, the fields it carries and why AR teams must tie each one to a real bank deposit.
- [SPEI explained: how Mexico's instant transfers work](/en/guides/what-is-spei): A plain guide to SPEI, the real-time interbank transfer system run by Banxico, for foreign finance teams collecting or paying money in Mexico.