[2] In Illinois, regional library systems were established by state law.

[3] Member libraries must certify that they meet membership requirements annually.

[5] The library system through the eRead Illinois program has been actively working with Baker & Taylor to make e-books accessible to its members.

[8] This initiative received the John Cotton Dana Public Relations Award from the American Library Association in 2015.

[9][10] Other services the library system provides include support for shared catalogs, continuing education opportunities, consulting, group purchases, and delivery of interlibrary loan materials.