If you voluntarily resign from a position or face termination, it is likely a time for caution. Many employers offer severance packages that come with strict conditions. Some of these may even be illegal.
Your employer cannot force you to waive rights granted by federal law in a severance agreement, and that includes financial incentives for whistleblowing. Employees should not be forced to choose between a generous severance package and acting within the law, especially when violations threaten public interest. Here