How a Bill Becomes a Law in Illinois

Forgot your 5th Grade Civics lessons? We’ve got you covered.

In Illinois, a policy idea becomes a bill (a formal legislative proposal), after it has been  officially filed by a legislative sponsor and assigned a bill number for that session. That does not guarantee it will pass, or even get a thorough review. The sponsor must shepherd the bill through a 6-month session, navigating deadlines, opposition, and the competing priorities. Every idea aspiring to become a law in Illinois has to go through at least SIX and sometimes SEVEN hurdles: 

  • A legislator has to agree to sponsor the bill AND has to ensure all deadlines are met, and that the bill does not get “lost in the pile.” 
  • The bill has to pass a substantive committee in the House (sponsor may amend it to get enough support to get out of committee).
  • It has to pass a substantive committee in the Senate (sponsor may amend, or change, the bill to get enough support to get out of committee).
  • It has to get 60 or more of 118 votes in the House (sponsor may amend it to get to 60 votes).
  • It has to get 30 or more of 59 votes in the Senate (sponsor may amend it to get to 30 votes).
  • (It may have to have a “concurrence” vote if any amendments were made after a vote in another chamber.)
  • It has to be signed by the Governor.

It is extremely rare for a bill that has opposition to pass without amendments. A good sponsor will work with opponents, supporters, and stakeholders to make smart amendments that strike the best middle ground.

A bill that does not get through these 6 – 7 steps over the course of a session (from January through May each year) is considered “dead” for the year and will have to begin again. Once a bill has failed to get out of committee, it is “dead” for the year.

REMEMBER: A bill is just an idea! If it starts with “HB” or “SB” (or “HR” or “SR”) it is NOT YET A LAW. Laws begin with “PA.”

But what happens to bills that don’t make it, bills that “die”? Can they come back? What happens to the bill numbers?

Think of any possible new law as an idea. It is just an idea, nothing more, until it gets filed and is assigned a bill number. Then it is a bill, an idea formally being considered by the legislature. 

The legislature operates within two-year cycles, and each cycle is numbered. For example, we are now in the second year of the 101st General Assembly, meaning the legislature is assembled for the 101st two-year period in the history of our state. HB531, the Youthful Parole Bill, was passed on one of the final days of the 100th General Assembly, at the end of a two-year cycle.

Bill numbers are only “good” during the two-year period in which they were introduced.

For example, let’s pretend we want to file a bill to say the state must provide ice cream for every 5-year-old on their birthday. We find a sponsor and they file it now, in the first year of the 101st General Assembly, 2019, and it is given the number HB001. We work very hard, but the Cookie Manufacturer’s Association hates the HB001 because they think the Ice Cream Manufacturers are going to get rich while cookies become unpopular. They fight HB001, and for two years, 2019 and 2020, the bill fails. In 2021 the 102nd General Assembly begins, and we want to keep working on our ice cream birthday proposal, but now we can’t use the number HB001. We have to start over with a new bill number because we have jumped over into a new General Assembly. Let’s imagine the only bill number available is HB022. So now we can take the exact words from HB001 but we need to file them with a new number, and someone else will get HB001.

This may explain why, when you look up a bill by the number, you find something totally unrelated. This may be because you have an “old” bill number to look up, and the proposal you care about may have a new one.

15 Comments
  • Alma walton
    Posted at 22:09h, 14 April Reply

    How can a find a sponsor for my bill if my Cogress lady won’t help me

    • Alissa Rivera
      Posted at 16:06h, 15 April Reply

      Hi Alma, It depends on whether you are trying to find a sponsor for a bill in the US Congress or in the Illinois Legislature. We do not work on federal issues. I would recommend trying to find an elected official who has talked about the issue or who has taken on similar issues in the past. See if you can have a conversation with that person.

  • Tonya Knust
    Posted at 13:07h, 05 August Reply

    How do you amend or ad a section to a current ILCS? I just want a paragraph added that pertains to my county.

    • Alissa Rivera
      Posted at 15:56h, 09 August Reply

      Hi, What would you like to amend?

  • Jean Viljoen
    Posted at 09:58h, 16 August Reply

    When does a Bill become Law in the State of Illinois? Is it when the Governor has signed the legislation or is it when it has been chaptered?

    • Alissa Rivera
      Posted at 18:13h, 17 August Reply

      Hi, A bill becomes a law when the Governor signs it. Bills have different dates that they take effect.

  • Chad mcginnis
    Posted at 22:34h, 08 January Reply

    Why is the shell bill process legal if the idea is for 3 readings in each house? The shell bill seems deceptive to avoid the 3 readings. Get 3 readings in one chamber, pass it. Send to other chamber,l. Do 1 or 2 readings. Let it sit. Then gut all the language except for title. Insert completely unrelated language and avoid the reading requirements, committe requirements. Then pass at last hour when everyone is asleep.

    Seems deceptive.

  • cece edwards
    Posted at 23:37h, 27 March Reply

    process to Amend an existing PA bill? How many months does it take if introduced January 2024?

    • Alissa Rivera
      Posted at 14:40h, 30 March Reply

      Hi Cece, What is a PA bill?

  • Mandy A Arena
    Posted at 22:17h, 25 April Reply

    Can I get signatures from residents to make a bill?

    • Alissa Rivera
      Posted at 16:03h, 26 April Reply

      Hi Mandy, Bills must be filed by legislators. If you have an idea for a bill, we recommend finding a legislator who you think would champion it.

  • Maria
    Posted at 19:00h, 26 April Reply

    What role do witness slips play in a bill being passed or not making it?

    • Alissa Rivera
      Posted at 17:09h, 04 May Reply

      Witness slips help legislators see how much support or opposition a bill has. It depends on each specific bill, but they can be important for showing the amount of support or opposition.

  • Christopher VanCamp
    Posted at 17:40h, 30 April Reply

    Hi,
    Is HB5522 passed or a “law”? It says, “session sine die” on 01/10/2023. I understand the Latin but I don’t understand the process. I cannot get parts shipped to me because of this miscommunication from the Illinois legislature. Please advise.

    Thank you.

    • Alissa Rivera
      Posted at 17:10h, 04 May Reply

      The bill did not pass before the legislative session ended.

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