What is the time requirement for filing proof of service after executing the service?

Filing proof of service within 20 days of the last act needed to effect service is a requirement in New York civil practice. This timeframe is designed to ensure that all parties are promptly informed of the proceedings and have an opportunity to respond appropriately. By establishing a clear deadline, the courts maintain efficiency in the litigation process and help prevent delays that could arise from uncertainty regarding service status.

In this context, it's important to follow systematic rules regarding filing deadlines; failing to submit proof of service within the specified time could undermine the legal process, potentially leading to negative consequences for the serving party. This requirement reinforces the importance of adhering to procedural rules in civil litigation, ensuring that parties are treated fairly and consistently.

Other timeframes mentioned, such as 5 days, 10 days, or 30 days, do not align with the established rules for proving service in New York civil practice, thereby supporting why the 20-day requirement is the correct response.