Section 5407.5 Of Chapter 2. Limitations Of Proceedings From California Labor Code >> Division 4. >> Part 4. >> Chapter 2.
5407.5
. The period within which may be commenced proceedings for
the reduction of compensation on the ground of serious and willful
misconduct of the employee, under provisions of Section 4551, is as
follows:
Twelve months from the date of injury. However, this limitation
shall not apply in any case where the employee has commenced
proceedings for the increase of compensation on the ground of serious
and willful misconduct of the employer.