Assuming the initial premise: A driving license was obtained in 2019, on January 1st, and it is set to expire on January 1st, 2025. Firstly, if a D license is added in November 2024, will the validity period remain 25 years or be updated to the subsequent date? Secondly, if the addition is intended to preserve the validity period, can the same medical examination report be used to handle both the extension of the license and the period-change renewal, simultaneously?