To add some information... If the arrest does show on your record, and charges aren't filed, this would be the right kind of case to file for a motion to seal and destroy arrest the arrest record. I recommend having an experienced lawyer do that for you.
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You may want to go back to the police department that arrested you and ask for a certificate to show this was just a detention and not an arrest. The only way you can have your record cleared is to prove you were "factually innocent" of the charges and the police had no probable cause to arrest you. This is difficult to accomplish, so you may want to consult with one of us on AVVO who do criminal defense work.
Mr. Rosenblum is correct. There is a time limit both for you to file for a declaration of factual innocence and the DA to reconsider and actually file charges
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There is a balancing that must be done. The statute of limitations for this matter is likely 1 year. The time frame to remove the arrest is three years. So my suggestion is to consult an attorney to determine how these numbers pertain specifically to your issue. Good luck.
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