104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026
SB3558

 

Introduced 2/5/2026, by Sen. Mike Porfirio

 

SYNOPSIS AS INTRODUCED:
 
30 ILCS 500/20-10

    Amends the Illinois Procurement Code. In provisions concerning competitive sealed bidding, provides that a contract for supplies may be awarded using a market basket analysis to evaluate the lowest price a vendor can offer for a representative sample of supplies.


LRB104 20070 HLH 33521 b

 

 

A BILL FOR

 

SB3558LRB104 20070 HLH 33521 b

1    AN ACT concerning finance.
 
2    Be it enacted by the People of the State of Illinois,
3represented in the General Assembly:
 
4    Section 5. The Illinois Procurement Code is amended by
5changing Section 20-10 as follows:
 
6    (30 ILCS 500/20-10)
7    (Text of Section from P.A. 96-159, 96-588, 97-96, 97-895,
898-1076, 99-906, 100-43, 101-31, 101-657, 102-29, 103-558, and
9103-564)
10    Sec. 20-10. Competitive sealed bidding; reverse auction.
11    (a) Conditions for use. All contracts shall be awarded by
12competitive sealed bidding except as otherwise provided in
13Section 20-5.
14    (b) Invitation for bids. An invitation for bids shall be
15issued and shall include a purchase description and the
16material contractual terms and conditions applicable to the
17procurement.
18    (c) Public notice. Public notice of the invitation for
19bids shall be published in the Illinois Procurement Bulletin
20at least 14 calendar days before the date set in the invitation
21for the opening of bids.
22    (d) Bid opening. Bids shall be opened publicly or through
23an electronic procurement system in the presence of one or

 

 

SB3558- 2 -LRB104 20070 HLH 33521 b

1more witnesses at the time and place designated in the
2invitation for bids. The name of each bidder, including earned
3and applied bid credit from the Illinois Works Jobs Program
4Act, the amount of each bid, and other relevant information as
5may be specified by rule shall be recorded. After the award of
6the contract, the winning bid and the record of each
7unsuccessful bid shall be open to public inspection.
8    (e) Bid acceptance and bid evaluation. Bids shall be
9unconditionally accepted without alteration or correction,
10except as authorized in this Code. Bids shall be evaluated
11based on the requirements set forth in the invitation for
12bids, which may include criteria to determine acceptability
13such as inspection, testing, quality, workmanship, delivery,
14and suitability for a particular purpose. Those criteria that
15will affect the bid price and be considered in evaluation for
16award, such as discounts, transportation costs, and total or
17life cycle costs, shall be objectively measurable. The
18invitation for bids shall set forth the evaluation criteria to
19be used.
20    (f) Correction or withdrawal of bids. Correction or
21withdrawal of inadvertently erroneous bids before or after
22award, or cancellation of awards of contracts based on bid
23mistakes, shall be permitted in accordance with rules. After
24bid opening, no changes in bid prices or other provisions of
25bids prejudicial to the interest of the State or fair
26competition shall be permitted. All decisions to permit the

 

 

SB3558- 3 -LRB104 20070 HLH 33521 b

1correction or withdrawal of bids based on bid mistakes shall
2be supported by written determination made by a State
3purchasing officer.
4    (g) Award. The contract shall be awarded with reasonable
5promptness by written notice to the lowest responsible and
6responsive bidder whose bid meets the requirements and
7criteria set forth in the invitation for bids, except when a
8State purchasing officer determines it is not in the best
9interest of the State and by written explanation determines
10another bidder shall receive the award. The explanation shall
11appear in the appropriate volume of the Illinois Procurement
12Bulletin. The written explanation must include:
13        (1) a description of the agency's needs;
14        (2) a determination that the anticipated cost will be
15    fair and reasonable;
16        (3) a listing of all responsible and responsive
17    bidders; and
18        (4) the name of the bidder selected, the total
19    contract price, and the reasons for selecting that bidder.
20    Each chief procurement officer may adopt guidelines to
21implement the requirements of this subsection (g).
22    The written explanation shall be filed with the
23Legislative Audit Commission, and the Commission on Equity and
24Inclusion, and the Procurement Policy Board, and be made
25available for inspection by the public, within 14 calendar
26days after the agency's decision to award the contract.

 

 

SB3558- 4 -LRB104 20070 HLH 33521 b

1    (g-5) Failed bid notice. In addition to the requirements
2of subsection (g), if a bidder has failed to be awarded a
3contract after 4 consecutive bids to provide the same services
4to the Department of Transportation, the Capital Development
5Board, or the Illinois State Toll Highway Authority, the
6applicable agency shall, in writing, detail why each of the 4
7bids was not awarded to the bidder. The applicable agency
8shall submit by certified copy to the bidder the reason or
9reasons why each of the 4 bids was not awarded to the bidder.
10The agency shall submit that certified copy to the bidder
11within the same calendar quarter in which the fourth bid was
12rejected. This subsection does not apply if information
13pertaining to a failed bid was previously disclosed to a
14bidder by electronic means. If any agency chooses to provide
15information by electronic means, the agency shall have a
16written policy outlining how the agency will reasonably ensure
17the bidder receives the information. For the purposes of this
18subsection, "electronic means" means an email communication
19from the applicable agency to the bidder or a public posting on
20the applicable agency's procurement bulletin.
21    (h) Multi-step sealed bidding. When it is considered
22impracticable to initially prepare a purchase description to
23support an award based on price, an invitation for bids may be
24issued requesting the submission of unpriced offers to be
25followed by an invitation for bids limited to those bidders
26whose offers have been qualified under the criteria set forth

 

 

SB3558- 5 -LRB104 20070 HLH 33521 b

1in the first solicitation.
2    (i) Alternative procedures. Notwithstanding any other
3provision of this Act to the contrary, the Director of the
4Illinois Power Agency may create alternative bidding
5procedures to be used in procuring professional services under
6Section 1-56, subsections (a) and (c) of Section 1-75 and
7subsection (d) of Section 1-78 of the Illinois Power Agency
8Act and Section 16-111.5(c) of the Public Utilities Act and to
9procure renewable energy resources under Section 1-56 of the
10Illinois Power Agency Act. These alternative procedures shall
11be set forth together with the other criteria contained in the
12invitation for bids, and shall appear in the appropriate
13volume of the Illinois Procurement Bulletin.
14    (j) Reverse auction. Notwithstanding any other provision
15of this Section and in accordance with rules adopted by the
16chief procurement officer, that chief procurement officer may
17procure supplies or services through a competitive electronic
18auction bidding process after the chief procurement officer
19determines that the use of such a process will be in the best
20interest of the State. The chief procurement officer shall
21publish that determination in his or her next volume of the
22Illinois Procurement Bulletin.
23    (k) A contract for supplies may be awarded pursuant to
24this Section using a market basket analysis to evaluate the
25lowest price a vendor can offer for a representative sample of
26supplies. The representative sample of goods must make up at

 

 

SB3558- 6 -LRB104 20070 HLH 33521 b

1least 75% of the resulting contract's total estimated cost, as
2determined by the procuring agency. Contracts awarded using a
3market basket analysis must include an option to add goods
4during the term of the contract.
5    An invitation for bids shall be issued and shall include
6(i) a procurement description, (ii) all contractual terms,
7whenever practical, and (iii) conditions applicable to the
8procurement, including a notice that bids will be received in
9an electronic auction manner.
10    Public notice of the invitation for bids shall be given in
11the same manner as provided in subsection (c).
12    Bids shall be accepted electronically at the time and in
13the manner designated in the invitation for bids. During the
14auction, a bidder's price shall be disclosed to other bidders.
15Bidders shall have the opportunity to reduce their bid prices
16during the auction. At the conclusion of the auction, the
17record of the bid prices received and the name of each bidder
18shall be open to public inspection.
19    After the auction period has terminated, withdrawal of
20bids shall be permitted as provided in subsection (f).
21    The contract shall be awarded within 60 calendar days
22after the auction by written notice to the lowest responsible
23bidder, or all bids shall be rejected except as otherwise
24provided in this Code. Extensions of the date for the award may
25be made by mutual written consent of the State purchasing
26officer and the lowest responsible bidder.

 

 

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1    This subsection does not apply to (i) procurements of
2professional and artistic services, (ii) telecommunications
3services, communication services, and information services,
4and (iii) contracts for construction projects, including
5design professional services.
6(Source: P.A. 102-29, eff. 6-25-21; 103-558, eff. 1-1-24;
7103-564, eff. 11-17-23.)
 
8    (Text of Section from P.A. 96-159, 96-795, 97-96, 97-895,
998-1076, 99-906, 100-43, 101-31, 101-657, 102-29, 103-558, and
10103-564)
11    Sec. 20-10. Competitive sealed bidding; reverse auction.
12    (a) Conditions for use. All contracts shall be awarded by
13competitive sealed bidding except as otherwise provided in
14Section 20-5.
15    (b) Invitation for bids. An invitation for bids shall be
16issued and shall include a purchase description and the
17material contractual terms and conditions applicable to the
18procurement.
19    (c) Public notice. Public notice of the invitation for
20bids shall be published in the Illinois Procurement Bulletin
21at least 14 calendar days before the date set in the invitation
22for the opening of bids.
23    (d) Bid opening. Bids shall be opened publicly or through
24an electronic procurement system in the presence of one or
25more witnesses at the time and place designated in the

 

 

SB3558- 8 -LRB104 20070 HLH 33521 b

1invitation for bids. The name of each bidder, including earned
2and applied bid credit from the Illinois Works Jobs Program
3Act, the amount of each bid, and other relevant information as
4may be specified by rule shall be recorded. After the award of
5the contract, the winning bid and the record of each
6unsuccessful bid shall be open to public inspection.
7    (e) Bid acceptance and bid evaluation. Bids shall be
8unconditionally accepted without alteration or correction,
9except as authorized in this Code. Bids shall be evaluated
10based on the requirements set forth in the invitation for
11bids, which may include criteria to determine acceptability
12such as inspection, testing, quality, workmanship, delivery,
13and suitability for a particular purpose. Those criteria that
14will affect the bid price and be considered in evaluation for
15award, such as discounts, transportation costs, and total or
16life cycle costs, shall be objectively measurable. The
17invitation for bids shall set forth the evaluation criteria to
18be used.
19    (f) Correction or withdrawal of bids. Correction or
20withdrawal of inadvertently erroneous bids before or after
21award, or cancellation of awards of contracts based on bid
22mistakes, shall be permitted in accordance with rules. After
23bid opening, no changes in bid prices or other provisions of
24bids prejudicial to the interest of the State or fair
25competition shall be permitted. All decisions to permit the
26correction or withdrawal of bids based on bid mistakes shall

 

 

SB3558- 9 -LRB104 20070 HLH 33521 b

1be supported by written determination made by a State
2purchasing officer.
3    (g) Award. The contract shall be awarded with reasonable
4promptness by written notice to the lowest responsible and
5responsive bidder whose bid meets the requirements and
6criteria set forth in the invitation for bids, except when a
7State purchasing officer determines it is not in the best
8interest of the State and by written explanation determines
9another bidder shall receive the award. The explanation shall
10appear in the appropriate volume of the Illinois Procurement
11Bulletin. The written explanation must include:
12        (1) a description of the agency's needs;
13        (2) a determination that the anticipated cost will be
14    fair and reasonable;
15        (3) a listing of all responsible and responsive
16    bidders; and
17        (4) the name of the bidder selected, the total
18    contract price, and the reasons for selecting that bidder.
19    Each chief procurement officer may adopt guidelines to
20implement the requirements of this subsection (g).
21    The written explanation shall be filed with the
22Legislative Audit Commission, and the Commission on Equity and
23Inclusion, and the Procurement Policy Board, and be made
24available for inspection by the public, within 14 days after
25the agency's decision to award the contract.
26    (g-5) Failed bid notice. In addition to the requirements

 

 

SB3558- 10 -LRB104 20070 HLH 33521 b

1of subsection (g), if a bidder has failed to be awarded a
2contract after 4 consecutive bids to provide the same services
3to the Department of Transportation, the Capital Development
4Board, or the Illinois State Toll Highway Authority, the
5applicable agency shall, in writing, detail why each of the 4
6bids was not awarded to the bidder. The applicable agency
7shall submit by certified copy to the bidder the reason or
8reasons why each of the 4 bids was not awarded to the bidder.
9The agency shall submit that certified copy to the bidder
10within the same calendar quarter in which the fourth bid was
11rejected. This subsection does not apply if information
12pertaining to a failed bid was previously disclosed to a
13bidder by electronic means. If any agency chooses to provide
14information by electronic means, the agency shall have a
15written policy outlining how the agency will reasonably ensure
16the bidder receives the information. For the purposes of this
17subsection, "electronic means" means an email communication
18from the applicable agency to the bidder or a public posting on
19the applicable agency's procurement bulletin.
20    (h) Multi-step sealed bidding. When it is considered
21impracticable to initially prepare a purchase description to
22support an award based on price, an invitation for bids may be
23issued requesting the submission of unpriced offers to be
24followed by an invitation for bids limited to those bidders
25whose offers have been qualified under the criteria set forth
26in the first solicitation.

 

 

SB3558- 11 -LRB104 20070 HLH 33521 b

1    (i) Alternative procedures. Notwithstanding any other
2provision of this Act to the contrary, the Director of the
3Illinois Power Agency may create alternative bidding
4procedures to be used in procuring professional services under
5subsections (a) and (c) of Section 1-75 and subsection (d) of
6Section 1-78 of the Illinois Power Agency Act and Section
716-111.5(c) of the Public Utilities Act and to procure
8renewable energy resources under Section 1-56 of the Illinois
9Power Agency Act. These alternative procedures shall be set
10forth together with the other criteria contained in the
11invitation for bids, and shall appear in the appropriate
12volume of the Illinois Procurement Bulletin.
13    (j) Reverse auction. Notwithstanding any other provision
14of this Section and in accordance with rules adopted by the
15chief procurement officer, that chief procurement officer may
16procure supplies or services through a competitive electronic
17auction bidding process after the chief procurement officer
18determines that the use of such a process will be in the best
19interest of the State. The chief procurement officer shall
20publish that determination in his or her next volume of the
21Illinois Procurement Bulletin.
22    (k) A contract for supplies may be awarded pursuant to
23this Section using a market basket analysis to evaluate the
24lowest price a vendor can offer for a representative sample of
25supplies. The representative sample of goods must make up at
26least 75% of the resulting contract's total estimated cost, as

 

 

SB3558- 12 -LRB104 20070 HLH 33521 b

1determined by the procuring agency. Contracts awarded using a
2market basket analysis must include an option to add goods
3during the term of the contract.
4    An invitation for bids shall be issued and shall include
5(i) a procurement description, (ii) all contractual terms,
6whenever practical, and (iii) conditions applicable to the
7procurement, including a notice that bids will be received in
8an electronic auction manner.
9    Public notice of the invitation for bids shall be given in
10the same manner as provided in subsection (c).
11    Bids shall be accepted electronically at the time and in
12the manner designated in the invitation for bids. During the
13auction, a bidder's price shall be disclosed to other bidders.
14Bidders shall have the opportunity to reduce their bid prices
15during the auction. At the conclusion of the auction, the
16record of the bid prices received and the name of each bidder
17shall be open to public inspection.
18    After the auction period has terminated, withdrawal of
19bids shall be permitted as provided in subsection (f).
20    The contract shall be awarded within 60 calendar days
21after the auction by written notice to the lowest responsible
22bidder, or all bids shall be rejected except as otherwise
23provided in this Code. Extensions of the date for the award may
24be made by mutual written consent of the State purchasing
25officer and the lowest responsible bidder.
26    This subsection does not apply to (i) procurements of

 

 

SB3558- 13 -LRB104 20070 HLH 33521 b

1professional and artistic services, (ii) telecommunications
2services, communication services, and information services,
3and (iii) contracts for construction projects, including
4design professional services.
5(Source: P.A. 102-29, eff. 6-25-21; 103-558, eff. 1-1-24;
6103-564, eff. 11-17-23.)