Notwithstanding Section 31649, any member who resigned, or obtained a leave of absence, to enter and did enter the Armed Forces of the United States on a voluntary or involuntary basis and returned to county service within one year after separation therefrom, under honorable conditions, shall receive credit for service and prior service for all or any part of his or her military service, if, before retirement from the county, he or she contributes what he or she would have paid to the fund based on his or her compensation earnable pursuant to Section 31461 at the time he or she resigned or received the leave of absence, together with regular interest thereon, and if, when he or she contributes, the military service is not a
basis for present or future military retirement pay.
Source:
Section 31649.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=31649.5..