(A) The director of developmental disabilities shall adopt rules in accordance with Chapter 119. of the Revised Code for all programs and services offered by a county board of developmental disabilities. Such rules shall include, but are not limited to, the following:

1. (1) Determination of what constitutes a program or service;
2. (2) Standards to be followed by a board in administering, providing, arranging, or operating programs and services;
3. (3) Standards for determining the nature and degree of developmental disability;
4. (4) Standards and procedures for making eligibility determinations for the programs and services;
5. (5) Procedures for obtaining consent for the arrangement of services under section 5126.31 of the Revised Code and for obtaining signatures on individualized service plans under that section;
6. (6) Specification of the service and support administration to be provided by a county board and standards for resolving grievances in connection with service and support administration.