Cal. Gov. Code § 13953

(a) An application for compensation shall be filed within one year of the date of the crime, one year after the victim attains 18 years of age, or one year of the time the victim or derivative victim knew or in the exercise of ordinary diligence could have discovered that an injury or death had been sustained as a direct result of crime, whichever is later. An application based on any crime eligible for prosecution under Section 801.1 of the Penal Code may be filed any time prior to the victim’s 28th birthday.

(b) The board may for good cause grant an extension of the time period in subdivision (a). In making this determination, the board may consider any relevant factors, including, but not limited to, all of the following: (1) A recommendation from the prosecuting attorney regarding the victim’s or derivative victim’s cooperation with law enforcement and the prosecuting attorney in the apprehension and prosecution of the person charged with the crime. (2) Whether particular events occurring during the prosecution or in the punishment of the person convicted of the crime have resulted in the victim or derivative victim incurring pecuniary loss. (3) Whether the nature of the crime is such that a delayed reporting of the crime is reasonably excusable.