Practical guides to CFDI, e.firma, SAT's 69-B list, monthly VAT and the DIOT, with their legal basis.https://clauhub.ai/enhttps://clauhub.ai/en/blog/buzon-tributario-multas-2027/https://clauhub.ai/en/blog/buzon-tributario-multas-2027/From January 1, 2027, SAT can fine you $3,850 to $11,540 for not having the Buzón Tributario enabled. What it is, who must have it and how to activate it step by step.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/cambios-fiscales-2027/https://clauhub.ai/en/blog/cambios-fiscales-2027/RESICO up to 5 million, Buzón Tributario fines, regularization and new limits on deductions. A clear summary of the 2027 Economic Package.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/complemento-de-pago-rep/https://clauhub.ai/en/blog/complemento-de-pago-rep/When the electronic payment receipt is issued, the deadline to stamp it, why without a REP the VAT on PPD invoices cannot be credited and how to spot the missing ones.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/despacho-contable-muchos-rfc/https://clauhub.ai/en/blog/despacho-contable-muchos-rfc/The five tasks that take the most time at a firm with many clients and how to organize them: downloads, reviews, mailboxes, e.firmas and the team.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/diot-como-se-presenta/https://clauhub.ai/en/blog/diot-como-se-presenta/What the DIOT is, who files it, what information it carries per supplier, the most common mistakes and the fine for filing it wrong or late.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/factura-cancelada-despues-de-deducir/https://clauhub.ai/en/blog/factura-cancelada-despues-de-deducir/How CFDI cancellation with the recipient's acceptance works, what happens to your deduction and creditable IVA if an invoice you received is cancelled, and how to correct it.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/lista-69b-sat-consultar/https://clauhub.ai/en/blog/lista-69b-sat-consultar/What the 69-B list is, its four statuses (presumed, disproved, definitive, favorable ruling), how to check it and the 30-day deadline to correct.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/opinion-de-cumplimiento-32d/https://clauhub.ai/en/blog/opinion-de-cumplimiento-32d/What SAT's compliance opinion is, why you're asked for it, how to download it, what positive, negative, suspended and no obligations mean, and how to fix a negative one.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/regularizacion-fiscal-2027/https://clauhub.ai/en/blog/regularizacion-fiscal-2027/The 2027 Federal Revenue Law (LIF) proposes reducing fines, surcharges and collection costs on debts from 2025 and earlier years. What we know and what to prepare.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/resico-2027-5-millones/https://clauhub.ai/en/blog/resico-2027-5-millones/The 2027 reform proposes raising the RESICO limit for individuals from 3.5 to 5 million pesos. Who wins, what doesn't change and what to review before deciding.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/rmf-2027-resumen/https://clauhub.ai/en/blog/rmf-2027-resumen/The key points of the 2027 RMF for accountants and businesses: CFDI rules, deadlines, RESICO and Buzón Tributario. Updated as soon as it is published in the DOF.Tue, 27 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/descarga-masiva-cfdi-efirma/https://clauhub.ai/en/blog/descarga-masiva-cfdi-efirma/Why SAT's bulk download requires the e.firma and not the CIEC, what gets downloaded, how long it takes and what happens to your e.firma when you connect it to Clauhub.Sun, 25 Oct 2026 00:00:00 GMThttps://clauhub.ai/en/blog/revisiones-cfdi-cada-mes/https://clauhub.ai/en/blog/revisiones-cfdi-cada-mes/Six things SAT sees in your invoices that you probably don't: the 69-B list, the 69 list, cancellations, payments without a REP, the wrong regime and the DIOT. With their legal basis.Sun, 25 Oct 2026 00:00:00 GMT