In the context of a Permanent Account Number (PAN) card, "CR" stands for "Change Request" or "Correction Request." This term is commonly used when referring to the official application process or form, titled "Request for New PAN Card or/and Changes or Correction in PAN Data." This form is used by existing PAN cardholders who need to update or correct any personal or demographic details, such as their name, date of birth, father's name, or communication address, in the Income Tax Department's database and on the physical card.
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