* Attend to customers’ routine requests; * Control the receipt of tax documents; * Analyze and segregate revenues; * Reconcile sales; * Calculate municipal, state, and federal taxes for companies, performing tax accounting, analysis, and submission of tax returns; * Calculate ISS (Service Tax) on service invoices issued and received; * Control shipments and returns; * Analyze and calculate ICMS Border Tax on interstate acquisitions; * Electronically contest the ICMS Border Tax whenever necessary; * Assist in the release processes of seized goods in the Sefaz Border System, complying with requirements that led to the retention; * Monitor expenses, revenues, and other relevant information for maintaining the customer under the Simples Nacional regime; * Arrange installment plans for municipal, state, and federal taxes to regularize companies’ tax status; * Monitor companies’ monthly tax situation to alert customers about any existing irregularities; * Respond to tax audits by providing requested information, documents, and files; * Request tax refunds or offsets for overpaid taxes; * Support other company departments by providing necessary information and data for carrying out their routine tasks; * Organize and archive departmental documents; * Complete and electronically submit the IBGE (Brazilian Institute of Geography and Statistics) form; * Perform activities not directly related to the position but necessary for the proper functioning of the department.