Yes, there are requirements for maintaining CSV records. Regulatory bodies such as the FDA and EMA require that companies maintain accurate and complete records of all CSV activities. These records must be kept for a specified period of time and must be easily accessible for inspection by regulatory authorities. Additionally, companies must have a robust change control process in place to ensure that any changes made to the computer system are properly documented and validated. This helps to ensure that the system remains in a validated state and that the data generated by the system is accurate and reliable.