Section 3208.1 Of Chapter 1. General Provisions From California Labor Code >> Division 4. >> Part 1. >> Chapter 1.

. An injury may be either: (a) "specific," occurring as the result of one incident or exposure which causes disability or need for medical treatment; or (b) "cumulative," occurring as repetitive mentally or physically traumatic activities extending over a period of time, the combined effect of which causes any disability or need for medical treatment. The date of a cumulative injury shall be the date determined under Section 5412.