California Code, Fish and Game Code - FGC § 7150

(a) Upon application to the department's headquarters office in Sacramento and payment of a base fee of four dollars ($4), as adjusted pursuant to Section 713, the following persons, who have not been convicted of any violation of this code, shall be issued a reduced fee sport fishing license that is valid for one year as specified in paragraphs (1) and (2) of subdivision (a) of Section 7149.05 and that authorizes the licensee to take any fish, reptile, or amphibian anywhere in this state as otherwise authorized pursuant to this code and regulations adopted pursuant to this code for purposes other than profit:

(b) A person applying for a reduced fee sport fishing license shall submit adequate documentation for the department to determine whether the applicant is, in fact, eligible for a reduced fee sport fishing license. The documentation shall be in the form of a letter or other document, as specified by the department, from a public agency, except as provided in paragraphs (1) and (2) of subdivision (a). The department shall not issue a reduced fee sport fishing license to any person unless it is satisfied that the applicant has provided adequate documentation of eligibility for that license.

(c) The adjustment of the base fee pursuant to Section 713 specified in subdivision (a) shall be applicable to the fishing license years beginning on or after January 1, 1996.