How is the Michigan Compiled Laws database updated?
When a bill is passed by the Legislature, signed by the Governor, and filed with the Secretary of State, it is assigned a Public Act number, e.g., 1998 PA 23. Each Public Act that adds, amends, and/or repeals sections of the Michigan Compiled Laws is incorporated into the Michigan Compiled Laws database after the necessary data processing is completed. If a Public Act is not scheduled to take effect until a future date, the Michigan Compiled Laws database will include both the current version of the affected section(s) (known as “provisionals”) as well as the version of the affected section(s) that will take effect on the future date (known as “prospectives”), with appropriate cross-reference “header notes” to guide the user. Therefore, in such cases, a user may view a section of law both as it presently exists and as it will appear on a future date. Further, if a Public Act repeals a section or sections of law effective on a future date, the affected section(s) of law in the database
