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Clear steps for SAT, CFDI, and tax obligations.

Doctor reviewing a CFDI for fees and a patient's electronic payment.
Accounting for Doctors10 min read

Accounting for Doctors: CFDI, VAT, and Patient Deductions

Accounting for doctors links CFDI, billing, VAT, patient deductions, and tax records without mixing sensitive clinical data.

Fintax Team · Aug 22, 2026Read guide →
Analyst calculating ISR and VAT withholdings for fees and rent.
Withholdings12 min read

ISR and VAT Withholdings When Paying Fees or Rent

Before paying fees or rent, identify the parties, concept, base, and obligations to correctly calculate and remit withheld ISR and VAT.

Fintax Team · Aug 8, 2026Read guide →
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