The alteration will help support a defense, but it wont do any good as your only defense. You need to get a lawyer who will perform a proper investigation to prepare for the DMV hearing. That alteration, however, can help show that they officer latter added stuff, or someone else did without the officer's knowledge, and that the form is therefore, not trustworthy. It CANNOT be something you simply just argue though. You should have an attorney perform an investigation and then have them bring the officer in for questioning because that information may also end up helping you in Court.
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No... Sorry, just a clerical error. Of no help at the DMV nor of any help in the defense of your DUI in court. If necessary the Hearing Officer can have the officer there to explain but nothing will come of it.
If you have an attorney, you should bring this to his/her attention immediately, as the alteration may have tremendous bearing upon the credibility or lack thereof of the arresting officer, both at the APS hearing which the DMV will conduct, as well as in the court.
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