The FileHeader of ChoEtyl.NACHA is missing the information regarding the creation date of the file.

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This can be a problem as it may make it difficult to track when the file was created and how current the information it contains is. Without this information, it may also be harder to verify the authenticity of the file and ensure that it has not been tampered with. It is important to ensure that all necessary information is included in the FileHeader to improve the accuracy and reliability of the NACHA file.