Therefore, the following operations can be performed until 31 December 2022:
- Cancellation of electronic invoices for fiscal years before 2022;
- Using version 3.3 of CFDI e-invoices (version 4.0 will become mandatory from January 2023, as per the previous update from 15 June);
- Invoice issuance without an e-signature or digital seal certificate requirement (only for taxpayers under the Simplified Trust Regime);
- Activation of e-signature (e.firma) by taxpayers under the Simplified Trust Regime;
- Gra…