Justice allow the officer to ammend the citation at a Summary Trial level
Simple answer is yes. Such mistake is, most likely, not prejudicial to your case and the Judge is likely to allow such amendment. Instead of bringing that up, I would try to talk to the officer to see if s/he would be willing to amend the citation to 1543a. I've seen that happen.
As stated above by Attorney Jarzyna the answer is yes. This is a serious charge and I would encourage you to contact him based on repercussions if found guilty.
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