(35 ILCS 120/2) (from Ch. 120, par. 441)
    Sec. 2. Tax imposed.
    (a) A tax is imposed upon persons engaged in the business of selling at retail tangible personal property, including computer software, and including photographs, negatives, and positives that are the product of photoprocessing, but not including products of photoprocessing produced for use in motion pictures for public commercial exhibition. Beginning January 1, 2001, prepaid telephone calling arrangements shall be considered tangible personal property subject to the tax imposed under this Act regardless of the form in which those arrangements may be embodied, transmitted, or fixed by any method now known or hereafter developed. Sales of (1) electricity delivered to customers by wire; (2) natural or artificial gas that is delivered to customers through pipes, pipelines, or mains; and (3) water that is delivered to customers through pipes, pipelines, or mains are not subject to tax under this Act. The provisions of this amendatory Act of the 98th General Assembly are declaratory of existing law as to the meaning and scope of this Act.
    (b) Beginning on January 1, 2021, a remote retailer is engaged in the occupation of selling at retail in Illinois for purposes of this Act, if:
        (1) the cumulative gross receipts from sales of
    
tangible personal property to purchasers in Illinois are $100,000 or more; or
        (2) the retailer enters into 200 or more separate
    
transactions for the sale of tangible personal property to purchasers in Illinois.
    Remote retailers that meet or exceed the threshold in either paragraph (1) or (2) above shall be liable for all applicable State retailers' and locally imposed retailers' occupation taxes administered by the Department on all retail sales to Illinois purchasers.
    The remote retailer shall determine on a quarterly basis, ending on the last day of March, June, September, and December, whether he or she meets the criteria of either paragraph (1) or (2) of this subsection for the preceding 12-month period. If the retailer meets the criteria of either paragraph (1) or (2) for a 12-month period, he or she is considered a retailer maintaining a place of business in this State and is required to collect and remit the tax imposed under this Act and all retailers' occupation tax imposed by local taxing jurisdictions in Illinois, provided such local taxes are administered by the Department, and to file all applicable returns for one year. At the end of that one-year period, the retailer shall determine whether the retailer met the criteria of either paragraph (1) or (2) for the preceding 12-month period. If the retailer met the criteria in either paragraph (1) or (2) for the preceding 12-month period, he or she is considered a retailer maintaining a place of business in this State and is required to collect and remit all applicable State and local retailers' occupation taxes and file returns for the subsequent year. If, at the end of a one-year period, a retailer that was required to collect and remit the tax imposed under this Act determines that he or she did not meet the criteria in either paragraph (1) or (2) during the preceding 12-month period, then the retailer shall subsequently determine on a quarterly basis, ending on the last day of March, June, September, and December, whether he or she meets the criteria of either paragraph (1) or (2) for the preceding 12-month period.
    (b-5) For the purposes of this Section, neither the gross receipts from nor the number of separate transactions for sales of tangible personal property to purchasers in Illinois that a remote retailer makes through a marketplace facilitator shall be included for the purposes of determining whether he or she has met the thresholds of subsection (b) of this Section so long as the remote retailer has received certification from the marketplace facilitator that the marketplace facilitator is legally responsible for payment of tax on such sales.
    (b-10) A remote retailer required to collect taxes imposed under the Use Tax Act on retail sales made to Illinois purchasers shall be liable to the Department for such taxes, except when the remote retailer is relieved of the duty to remit such taxes by virtue of having paid to the Department taxes imposed by this Act in accordance with this Section upon his or her gross receipts from such sales.
    (c) Marketplace facilitators engaged in the business of selling at retail tangible personal property in Illinois. Beginning January 1, 2021, a marketplace facilitator is engaged in the occupation of selling at retail tangible personal property in Illinois for purposes of this Act if, during the previous 12-month period:
        (1) the cumulative gross receipts from sales of
    
tangible personal property on its own behalf or on behalf of marketplace sellers to purchasers in Illinois equals $100,000 or more; or
        (2) the marketplace facilitator enters into 200 or
    
more separate transactions on its own behalf or on behalf of marketplace sellers for the sale of tangible personal property to purchasers in Illinois, regardless of whether the marketplace facilitator or marketplace sellers for whom such sales are facilitated are registered as retailers in this State.
    A marketplace facilitator who meets either paragraph (1) or (2) of this subsection is required to remit the applicable State retailers' occupation taxes under this Act and local retailers' occupation taxes administered by the Department on all taxable sales of tangible personal property made by the marketplace facilitator or facilitated for marketplace sellers to customers in this State. A marketplace facilitator selling or facilitating the sale of tangible personal property to customers in this State is subject to all applicable procedures and requirements of this Act.
    The marketplace facilitator shall determine on a quarterly basis, ending on the last day of March, June, September, and December, whether he or she meets the criteria of either paragraph (1) or (2) of this subsection for the preceding 12-month period. If the marketplace facilitator meets the criteria of either paragraph (1) or (2) for a 12-month period, he or she is considered a retailer maintaining a place of business in this State and is required to remit the tax imposed under this Act and all retailers' occupation tax imposed by local taxing jurisdictions in Illinois, provided such local taxes are administered by the Department, and to file all applicable returns for one year. At the end of that one-year period, the marketplace facilitator shall determine whether it met the criteria of either paragraph (1) or (2) for the preceding 12-month period. If the marketplace facilitator met the criteria in either paragraph (1) or (2) for the preceding 12-month period, it is considered a retailer maintaining a place of business in this State and is required to collect and remit all applicable State and local retailers' occupation taxes and file returns for the subsequent year. If at the end of a one-year period a marketplace facilitator that was required to collect and remit the tax imposed under this Act determines that he or she did not meet the criteria in either paragraph (1) or (2) during the preceding 12-month period, the marketplace facilitator shall subsequently determine on a quarterly basis, ending on the last day of March, June, September, and December, whether he or she meets the criteria of either paragraph (1) or (2) for the preceding 12-month period.
    A marketplace facilitator shall be entitled to any credits, deductions, or adjustments to the sales price otherwise provided to the marketplace seller, in addition to any such adjustments provided directly to the marketplace facilitator. This Section pertains to, but is not limited to, adjustments such as discounts, coupons, and rebates. In addition, a marketplace facilitator shall be entitled to the retailers' discount provided in Section 3 of the Retailers' Occupation Tax Act on all marketplace sales, and the marketplace seller shall not include sales made through a marketplace facilitator when computing any retailers' discount on remaining sales. Marketplace facilitators shall report and remit the applicable State and local retailers' occupation taxes on sales facilitated for marketplace sellers separately from any sales or use tax collected on taxable retail sales made directly by the marketplace facilitator or its affiliates.
    The marketplace facilitator is liable for the remittance of all applicable State retailers' occupation taxes under this Act and local retailers' occupation taxes administered by the Department on sales through the marketplace and is subject to audit on all such sales. The Department shall not audit marketplace sellers for their marketplace sales where a marketplace facilitator remitted the applicable State and local retailers' occupation taxes unless the marketplace facilitator seeks relief as a result of incorrect information provided to the marketplace facilitator by a marketplace seller as set forth in this Section. The marketplace facilitator shall not be held liable for tax on any sales made by a marketplace seller that take place outside of the marketplace and which are not a part of any agreement between a marketplace facilitator and a marketplace seller. In addition, marketplace facilitators shall not be held liable to State and local governments of Illinois for having charged and remitted an incorrect amount of State and local retailers' occupation tax if, at the time of the sale, the tax is computed based on erroneous data provided by the State in database files on tax rates, boundaries, or taxing jurisdictions or incorrect information provided to the marketplace facilitator by the marketplace seller.
    (d) A marketplace facilitator shall:
        (1) certify to each marketplace seller that the
    
marketplace facilitator assumes the rights and duties of a retailer under this Act with respect to sales made by the marketplace seller through the marketplace; and
        (2) remit taxes imposed by this Act as required by
    
this Act for sales made through the marketplace.
    (e) A marketplace seller shall retain books and records for all sales made through a marketplace in accordance with the requirements of this Act.
    (f) A marketplace facilitator is subject to audit on all marketplace sales for which it is considered to be the retailer, but shall not be liable for tax or subject to audit on sales made by marketplace sellers outside of the marketplace.
    (g) A marketplace facilitator required to collect taxes imposed under the Use Tax Act on marketplace sales made to Illinois purchasers shall be liable to the Department for such taxes, except when the marketplace facilitator is relieved of the duty to remit such taxes by virtue of having paid to the Department taxes imposed by this Act in accordance with this Section upon his or her gross receipts from such sales.
    (h) Nothing in this Section shall allow the Department to collect retailers' occupation taxes from both the marketplace facilitator and marketplace seller on the same transaction.
    (i) If, for any reason, the Department is prohibited from enforcing the marketplace facilitator's duty under this Act to remit taxes pursuant to this Section, the duty to remit such taxes remains with the marketplace seller.
    (j) Nothing in this Section affects the obligation of any consumer to remit use tax for any taxable transaction for which a certified service provider acting on behalf of a remote retailer or a marketplace facilitator does not collect and remit the appropriate tax.
    (k) Nothing in this Section shall allow the Department to collect the retailers' occupation tax from both the marketplace facilitator and the marketplace seller.
(Source: P.A. 101-31, eff. 6-28-19; 101-604, eff. 1-1-20.)