A surviving spouse of a safety member who is killed in the performance of duty or who dies as the result of an accident or injury caused by external violence or physical force, incurred in the performance of his or her duty, shall be paid the following amount in addition to all other benefits provided by this chapter:

A one-time lump-sum benefit equal to an amount, provided from contributions by the county or district, equal to the annual compensation earnable or pensionable compensation as defined in Section 7522.34, whichever is applicable, by the deceased at his or her monthly rate of compensation at the time of his or her death.

This section is not applicable to members described in Section

31469.2.