1. Each regional library cooperative shall include as part of its five-year plan for development provisions for:
a. Reference services to supplement those provided by each local library, including interlibrary reference and referral services to residents of the cooperative.
b. Interlibrary loan services on behalf of residents of the cooperative.
c. Delivery services for library materials.
d. Citation and location services for library materials.
2. Each cooperative may provide for:
a. Consultant services and shared staff expertise;
b. Cooperative or coordinated acquisition of library materials or subject specialization programs;
c. Reciprocal borrowing between member librarians;
d. Staff development and inservice training programs;
e. Centralized ordering, cataloging, and processing of the library materials;
f. Cooperative storage of library materials and lost-copy protection programs;
g. Access to computerized literature citation and information databases;
h. Preservation of library materials programs;
i. Public relations services; and j. Any other services not inconsistent with this section.