Chapter 2.90 REGIONAL IHSS PUBLIC AUTHORITY This chapter is included in your selections. Sections: 2.90.010 Creation and purpose of the public authority. 2.90.020 Definitions. 2.90.030 Membership of the Public Authority Board. 2.90.040 Public Authority functions. 2.90.050 Public Authority powers. 2.90.060 Authority administration. 2.90.070 Liability of Authority. 2.90.080 Miscellaneous.