Fiscal quarter · Q1 2026 · CDMX · Monterrey · Guadalajara · Querétaro
Corp Q1 Final 2026 Final Pack — fiscal start and mass onboarding
The first quarter of the Mexican fiscal year concentrates three simultaneous operational phenomena: the fiscal start before SAT, the mass onboarding of January and February hires, and the first delivery of the IMMEX training programme documented before STPS. The Corp Q1 Final 2026 Final Pack resolves that corridor with three delivery lots: January onboarding (8-31), February IMMEX training (1-28) and March quarter close (1-31). The rate is negotiated at the start of the quarter and frozen in MXN with a single INPC adjustment at the close of March. Invoicing is under CFDI 4.0 in MXN, in USD at the locked rate for foreign subsidiaries, or in RUB through the agreement with Russian corporate. The quarterly fiscal close backs the reconciliation that the finance area files before SAT.