Regional finance and accounting standards skill covering Colombia (NIIF/DIAN/CTC), Ecuador (SRI/USD dollarization), Mexico (SAT/CFDI), United States (GAAP/ASC 606), Spain (AEAT/SII), and pan-Americas considerations. Use whenever the user mentions financial regulations, tax compliance, electronic invoicing, transfer pricing, CTC calculation, intercompany billing, multi-currency management, localization requirements, withholding taxes, or labor cost structures for IT services companies operating across these regions. Essential for SAP localization configuration and fit-to-standard financial workshops. Also trigger when discussing cost-vs-sale segregation, Activity Type cost rates, margin visibility, arm's length pricing, or any cross-border billing. Trigger: CTC calculation, transfer pricing, intercompany billing, tax compliance, e-invoicing, SAP localization, withholding taxes, Activity Type rates, margin visibility.