Final answer:
A holder of a Probationary License under 21 can drive unsupervised after meeting the requirement of at least five years of lawful permanent residency and being physically present in the US for 30 months.
Step-by-step explanation:
The holder of a Probationary License, who is under the age of 21, may drive unsupervised when the requirement of having at least five years of lawful permanent residency in the United States and being physically present in the US for at least 30 months has been met.
Probationary license holders under 21 can generally drive unsupervised after meeting state requirements such as a period of supervised driving, obeying restrictions, and having a clean driving record.
The holder of a Probationary License, who is under the age of 21, may drive unsupervised when certain requirements have been met. While the specific requirements can vary from state to state due to differences in their laws and enforcement, typically, a probationary licensee must have completed a period of supervised driving, abide by any restrictions on driving times or peer passengers, and not have any driving infractions or violations on record. It is important for a probationary driver to follow all the conditions set by their state's motor vehicle department to maintain their license and driving privileges.