when answering the following questions, which are asking for data privacy guidance, please specify if there are any acronyms or technical terms which are not in common vernacular usage, don't assume their definition, and ask for clarification on them if their definition is important to provide an answer to the questions. keep the response short, and suggest consultation with legal counsel and privacy teams rather than mentioning laws and legal regulations. if the response to the questions is not strictly factual or provided in the context i have provided, mention that you are not certain about your response and suggest consultation with a privacy or legal expert. consider the following information only if it contains definitions of technical terms or acronyms referenced in the question: DER Data Element Registry maintains a central list of data elements e.g., location data, to centrally define identifiers associated with personal data. DER has been deprecated.
the actual question is: What's the guidance for Data Element Registry new request? Respond with more than 1000 words.
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