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Health certificate expiration reminder formula

Does the subject want to ask "what is the formula for reminding the health certificate of expiration"? The validity period of health certificate is equal to the date of issuance of health certificate plus 1 year. The health certificate is valid for one year. When the user's health certificate was issued on June 65438+ 10/day, 2023, the health certificate was valid on June 65438+1 0/day, 2024.