The cost can vary greatly from $41.50 (minimum) to $112.50 (maximum)... the permit is only good for three Skills Test attempts. If you fail all three Skills Tests, you will have to reapply for a learner’s permit by again completing the Commercial Learner’s Permit Application (DL-31CD). Another Knowledge Test Authorization document similar in appearance to a learner’s permit; will be issued by PennDOT... requiring knowledge testing when results are more than a year old. The information provided was referenced from this web address (additional web links are provided within the article to assist and guide you through the whole process)... https://www.dmv.pa.gov/Pages/FAQ%20Pages/CDLLP-Procedures-FAQ.aspx#Q1 I hope this helps!!
How many times can I extend my CDL permit
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