(

a) Any person who is not already a member of the Defined Benefit Program and who is employed by a school district or county office of education to perform creditable service on a part-time hourly basis and who performs less than hours of creditable service in a pay period for one school district or county office of education is excluded from mandatory membership in the Defined Benefit Program. This subdivision shall only apply to persons who are employed to perform creditable service by an employer that does not provide the Cash Balance Benefit Program under

Part 14 (commencing with

Section 26000). (

b) Any person who is not already a member of the Defined Benefit Program and who is employed by a school district or county office of education to perform creditable service on a part-time daily basis and who performs less than days of creditable service in a pay period for one school district or county office of education is excluded from mandatory membership in the Defined Benefit Program. This subdivision shall only apply to persons who are employed to perform creditable service by an employer that does not provide the Cash Balance Benefit Program under

Part 14 (commencing with

Section 26000). (

c) Any person who is not already a member of the Defined Benefit Program and who is employed by a school district or county office of education to perform creditable service on a part-time hourly or part-time daily basis is excluded from mandatory membership in the Defined Benefit Program, and any creditable service performed shall be subject to coverage by the Cash Balance Benefit Program pursuant to

Section if employed by an employer that provides the Cash Balance Benefit Program under

Part 14 (commencing with

Section 26000).