What is the validity period of the driver's license after adding a driving category?

[Devon]

After adding a driving category, the validity period of the driver's license is as follows: No recalculation: After adding a permitted driving category and obtaining a new driver's license, the validity period of the license will not be recalculated. Scoring cycle: Additionally, the scoring cycle always starts from the initial issuance date of the original driver's license. Relevant information about adding a driving category to the license is as follows: Time limit: Those who have just obtained a driver's license (such as a motorcycle license) can only take other types of driver's license tests (for example, a car license) after one year. Notes: When registering for and taking the additional driving category test, you must bring your ID card and the previously obtained driver's license. Those who pass the test will be able to add the driving category.