California Code, Government Code - GOV § 31580.2

(a) In counties in which the board of retirement, or the board of retirement and the board of investment, have appointed personnel pursuant to Section 31522.1, 31522.5, 31522.7, 31522.9, 31522.10, or 31522.11, the respective board or boards shall annually adopt a budget covering the entire expense of administration of the retirement system, which expense shall be charged against the earnings of the retirement fund. The expense incurred in any year may not exceed the greater of either of the following:

(b) Expenditures for computer software, computer hardware, and computer technology consulting services in support of these computer products shall not be considered a cost of administration of the retirement system for purposes of this section.