45 CFR § 155.630
Reporting
April 14, 2021
Requirement to provide information related to tax administration. If the Exchange grants an individual a certificate of exemption in accordance with §155.610(i), the Exchange must transmit to the IRS at such time and in such manner as the IRS may specify—
(a) The individual's name, Social Security number, and exemption certificate number;
(b) Any other information required in guidance published by the Secretary of the Treasury in accordance with 26 CFR 601.601(d)(2).