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98-534 are declarative of existing law. It is the intent of the General Assembly that the exemption under this paragraph (29) applies continuously from January 1, 2010 through December 31, 2024; however, no claim for credit or refund is allowed for taxes paid as a result of the disallowance of this exemption on or after January 1, 2015 and prior to February 5, 2020 (the effective date of Public Act 101-629). (30) Beginning January 1, 2017 and through December 31, 2026, menstrual pads, tampons, and menstrual cups. (31) Tangible personal property transferred to a purchaser who is exempt from tax by operation of federal law. This paragraph is exempt from the provisions of Section 3-55. (32) Qualified tangible personal property used in the construction or operation of a data center that has been granted a certificate of exemption by the Department of Commerce and Economic Opportunity, whether that tangible personal property is purchased by the owner, operator, or tenant of the data center or by a contractor or subcontractor of the owner, operator, or tenant. Data centers that would have qualified for a certificate of exemption prior to January 1, 2020 had Public Act 101-31 been in effect, may apply for and obtain an exemption for subsequent purchases of computer equipment or enabling software purchased or leased to upgrade, supplement, or replace computer equipment or enabling software purchased or leased in the original investment that would have qualified. SB3019 Enrolled LRB104 20255 HLH 33706 b Public Act 104-0468