- Invoice creation (proforma / system invoice) - Followup with client for invoice approval and payment processing - In case of any disagreement, provide clarification / supporting documents - Arrange technical / commercial support for any further discussion required - If payment is held up for no solid reason then issue invoice for markup charges - Subsequently, prepare the contractual case as per the terms & conditions of project - Engage senior / higher management for an amicable solution - Ultimately matter should be escalated / settled on legal grounds - Prepare a monthly aging report on overdue accounts receivable with comments