The state, school employers, as defined in

Section 20063, and all contracting agencies under this system shall be deemed to have elected to contract with the board for administration of the replacement benefit plan pursuant to this part. A participating agency may contract with the board for administration to participate in the replacement benefit plan administered by the board, as follows: (

a) A participating agency shall deposit its replacement benefit contributions into the Replacement Benefit Custodial Fund, as the board directs. (

b) At the request of the board, the participating agency shall furnish any data concerning its members the board requires to direct the payment of replacement benefit contributions. (

c) A public agency that intends to contract under this

section and become a participating agency shall do so only pursuant to the procedure set forth in Sections to 20471, inclusive. (

d) The ordinance or resolution by which a public agency approves a contract under this

section shall be filed with the board. A participating agency under this

section shall not maintain any other replacement benefit plan, except upon the express approval of the board. (

e) A contract entered into under this

section may be amended pursuant to the procedure set forth in

Section 20472. (

f) For the purpose of paying necessary contributions to the replacement benefit plan, the county superintendent of schools may, on an annual basis or as otherwise directed by the board pursuant to this section, draw requisitions against the county school service fund and the funds of the respective school districts or other local educational agencies in amounts equal to the total of contributions required to be paid pursuant to this part.