Penal Code § 25590

Section 25400 does not apply to, or affect, the transportation of a firearm by a person if done directly between any of the places set forth below:

(a) A place where the person may carry that firearm pursuant to an exemption from the prohibition set forth in subdivision (a) of Section 25400.

(b) A place where that person may carry that firearm pursuant to an exemption from the prohibition set forth in subdivision (a) of Section 25850, or a place where the prohibition set forth in subdivision (a) of Section 25850 does not apply.

(c) A place where that person may carry a firearm pursuant to an exemption from the prohibition set forth in subdivision (a) of Section 26350, or a place where the prohibition set forth in subdivision (a) of Section 26350 does not apply.