- Calculate and close weekly payroll for hourly employees.- Calculate and close biweekly payroll for salary employees.- Calculate, prepare, and submit weekly severance payments and retirements.- Deliver payroll receipts.- Prepare account reconciliations.- Ensure compliance with SOX guidelines in daily activities.- Address audit requirements (internal and external).- Review of CFDI on payroll receipts.- Prepare CFDI vs. SAT reconciliations.- Prepare a reconciliation of accumulated payroll data vs. CFDIs.- Review the status of tax status certificates in the application to request registration in the payroll system.