California Commercial Lease What I Have To Do For Get Back To Work, After A Positive Drug Test, W/ California Commercial Driver License ?

What I have to do for get back to work, after a positive drug test, w/ California commercial driver license ? - california commercial lease

I have a commercial driver's license in California, has had a positive drug test recently. He was suspended from my work. What should I do to my license back?

Serious inquiries only, please! Thanks