These fees cover the FDA's costs associated with the review and evaluation of the application, including clinical trial oversight, facility inspections, and administrative expenses. Payment of these fees is typically required at the time of submission and is non-refundable, regardless of whether the application is approved.Understanding the specific fee structure and requirements for each type of submission is crucial for manufacturers seeking FDA approval to market their medical devices in the United States. Compliance with FDA regulations and timely submission of fees ensure that devices meet rigorous standards for safety, efficacy, and quality, facilitating their entry into the U.S. healthcare market.