Section 7373 Of Article 1. Permits For Tower Cranes From California Labor Code >> Division 5. >> Part 3. >> Chapter 5. >> Article 1.

. (a) No tower crane shall be operated at any worksite unless an employer obtains a permit from the division. The division shall conduct an investigation for purposes of issuing a permit in an expeditious manner. If the division does not issue a permit within 10 days after being requested to do so by a crane employer, the crane employer may operate the crane without a permit.
  (b) The division shall set a fee to be charged for these permits in an amount sufficient to cover the cost of funding the issuance of the permits and the safety engineers as provided by subdivision (a) of Section 7372.
  (c) The permit for a fixed tower crane shall be valid for the period of time that the tower crane is fixed to the site.
  (d) The permit for a mobile tower crane shall be valid for one calendar year.