If you try to use the old system (pre-November 2025), you will receive a "folio no encontrado" or "RFC no válido" error.
Some recent reviews indicate that the main telephone line (444 811 1213) can experience technical failures, requiring users to switch to social media for support. step-by-step guide for registering your tax ID on their new portal? Potogas - Distribución de gas LP en San Luis Potosí potogas san luis potosi facturacion new
By following this updated 2026 guide, you will avoid fines from the SAT, ensure your gas expenses are deductible, and stay on the right side of Mexican tax law. If you try to use the old system
Bookmark the new portal, as older links may redirect to a legacy system that no longer generates valid CFDI 4.0. ensure your gas expenses are deductible
Ding.