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Are you a Junior or graduating Senior? If you are a Junior, you do not need to send any AP scores until you decide which school you will attend. You self-report your AP scores on the UC application or not.
If you are a graduated Senior, did you fill out the school information to automatically send all your AP scores to UCD if that is where you will be attending? If not, it does not matter, just send your AP scores to UCD and you will just not get credit for the one AP class.