Permit effectivity, when does it expire?

Believe it is 6 months... But coyld be different in CA

 

The California DMV website doesn't have how long the permit is good for. Maybe I missed that information.
Call and ask.
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Apply for a New California Commercial Driver's License ...
www.dmv.org › California › Commercial Drivers (CDL)
Applying for a CDL in California Step 1: Commercial Instruction Permit. Applying for a commercial driver's license starts by applying for a commercial instruction permit. There are multiple steps in this process. To apply: Submit: A California Commercial Driver License Application. A 10 Year History Check (Form DL 939), if require

 

Open wallet. Pull your Permit out. On it is stamped a Expiration date.

 

I seem to recall my permit had a 6 month expiration here in California.

 

Or it will have something like expires (so many days or months) after issue date.

 

According to this!

A CLP:

• Is only valid when accompanied by the CLP holder’s valid California DL.
• Is valid for a maximum of 180 days from the date issued, and may be renewed for an additional 180 days, provided the CLP expiration date does not exceed a period of one (1) year from the initial application date. (If you present limited term legal presence documents, your CLP may expire on the same date as your legal presence documents.)
• Is limited to the following endorsements:
  • Tank (N),
  • Passenger (P), and
  • School Bus (S).
• Holder with a CLP containing an “N” endorsement is prohibited from operating a tank vehicle unless the tank is empty. The tank must be purged if it previously contained a hazardous material.
• Holder with a CLP containing a “P” endorsement and/or “S” endorsement is prohibited from operating a CMV with passengers, other than federal/state auditors and inspectors, test examiners, other trainees, and the accompanying CDL holder.
• Holder must be accompanied by a California CDL holder while operating a CMV. The CDL holder must possess the appropriate class of CDL and endorsements necessary to operate the CMV.

 

6 months in CA