1. Process the company’s payments, invoices, receipts, and credit/debit notes according to customer requirements. 2. Receive and handle customer inquiries, complaints, and suggestions (PQRs) submitted to the Customer Service Department regarding payments and invoices. 3. Record and maintain up-to-date the relevant databases essential for the proper functioning of the company’s billing operations. 4. Generate periodic reports to review departmental efficiency and identify trends or opportunities for improvement in the billing process. 5. Produce periodic financial performance reports, including comparative analyses over time, financial analysis, and key data supporting budgeting exercises.