TELL permits are valid for one year. Your teen can apply for another one year learner license if you feel additional supervised practice is needed. Practice helps teens develop safe driving habits and gain experience in challenging conditions.
Find additional information at http://www.opi.mt.gov/Programs/DriverEd/GDL.html
Best Regards -
Traffic Education Director
Montana Office of Public Instruction
406.444.4396 Fax 406.444.2955
9th of August, 2011