Laws of Illinois
Laws of Illinois is the official publication series containing the session laws enacted by the Illinois General Assembly.
Last updated August 26, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Laws of Illinois is the official publication series for the session laws enacted by the Illinois General Assembly. Rather than being a commercial consumer brand, it is a governmental legal publication and a documentary record of Illinois legislation. Its volumes preserve the text of acts passed during legislative sessions and provide an authoritative historical record of the state's statutory enactments. The publication developed alongside the Illinois General Assembly's legislative practice. In the early period of Illinois state government, the General Assembly generally convened every two years, although governors could call special sessions when circumstances required additional legislative action. Laws enacted during a session were ordinarily printed within approximately a year after the session ended. This publication cycle allowed the state to consolidate newly enacted measures into an accessible official record. Early editions were broader in scope than a modern session-law compilation. They included public laws, private laws, and reports from state officials such as the auditor and treasurer for the relevant biennium. Over time, the organization of the material changed. In particular, during and after the American Civil War, public and private laws increasingly appeared in separate volumes, reflecting a more differentiated approach to publishing legislative materials. The series is distinct from the Illinois Compiled Statutes. Laws of Illinois records the acts as passed by the legislature in session-law form, while the compiled statutes arrange currently operative statutory provisions by subject and citation. The session laws therefore serve both practical and historical functions: they document the enactment of legislation, preserve amendments and repeals in their original legislative context, and help researchers trace the development of Illinois law. Historical editions are held and made available through library and institutional collections, including resources associated with Western Illinois University. Contemporary public acts of the Illinois General Assembly are also distributed through state legislative resources. Because the publication represents an official legal record rather than a conventional enterprise, information such as a commercial founder, headquarters, corporate owner, marketing strategy, or stock listing does not apply. Its continuing relevance derives from the legal authority and archival value of the Illinois legislative record.
History
Laws of Illinois is the official publication series for laws enacted during sessions of the Illinois General Assembly. It emerged as part of the state's system for recording and disseminating legislative enactments. In the earlier period of Illinois government, the General Assembly normally met on a biennial basis, while special sessions could be convened when needed. Acts passed during a session were generally printed within a year, creating a contemporaneous official record of the legislature's work. The contents of early volumes were not limited to what would now be understood as a straightforward session-law collection. They brought together public laws, private laws, and reports by state officials, including the auditor and treasurer, for the applicable two-year period. This format reflected the broader documentary role of early state publications, which often combined legislative enactments with key fiscal and administrative reports. The publication structure changed as Illinois government and legal publishing became more developed. Particularly during and after the Civil War, public and private laws were printed in separate volumes. The distinction made the material easier to consult and reflected the growing importance of organizing legislation according to its legal character and intended scope. Laws of Illinois should be distinguished from the Illinois Compiled Statutes. The former preserves session laws in the form in which the General Assembly enacted them, while the latter presents a subject-organized compilation of statutes. Researchers use the session laws to examine the original text and legislative chronology of acts, including enactments that amended, repealed, or created statutory provisions. The series consequently has both operational value for legal research and archival value for the history of Illinois government. The publication is not a privately owned brand and has no conventional corporate leadership or commercial product portfolio. Its institutional identity comes from its role as an official Illinois legal publication. Historical copies and related materials are available through state legislative resources and academic or library collections, including a collection identified by Western Illinois University. The continuing publication and distribution of public acts preserve the legislative record for attorneys, courts, public officials, scholars, and the public.
Establishment of the official session-law record
[1]The Laws of Illinois publication series developed as the official means of recording laws enacted by the Illinois General Assembly.
Biennial publication practice
[1]During the period when the General Assembly generally met every two years, laws passed in a session were ordinarily printed within about a year, with special sessions handled as needed.
Separation of public and private laws
[1]During and after the Civil War era, public and private laws increasingly appeared in separate volumes rather than being combined in one publication.
Products and positioning
An official governmental legal-record publication documenting legislation enacted by the Illinois General Assembly.
Government legal publication
Laws of Illinois session-law volumes
The core publication series containing the laws enacted by sessions of the Illinois General Assembly. Earlier volumes could include public and private laws together with auditor and treasurer reports; later organization distinguished public from private enactments. The volumes provide an official chronological record of Illinois legislation and are used for legal, governmental, and historical research.
Legislative publication
Public Acts of the Illinois General Assembly
The public-act component of Illinois legislative publishing, documenting measures enacted for general application. Public acts are part of the state's official session-law record and can be consulted alongside the Illinois Compiled Statutes, which organize statutory law in compiled subject-based form.
Sources3 sources
Cite this profile: Cite the canonical profile. /brand-wiki/laws-of-illinois · Editorial policy · How profiles are compiled