open enrollment period relating to the COVID–19 public health emergency (1) Enrollment Section 1837 of the Social Security Act ( 42 U.S.C. 1395p ) is amended by adding at the end the following new subsection: (m) Special open enrollment period relating to the COVID–19 public health emergency In the case of any individual who is eligible to enroll but who has elected not to enroll (or to be deemed enrolled) under this part, there shall be a special enrollment period during the emergency period described in section 1135(g)(1)(B). . (2) Coverage period Section 1838 of the Social Security Act ( 42 U.S.C. 1395q ) is amended by adding at the end the following new subsection: (g) Notwithstanding subsection (a), in the case of an individual who enrolls during a special enrollment period pursuant to section 1837(m), the coverage period under this part shall begin on the date the individual applied for such enrollment (but in no case earlier than January 31, 2020). . (3) Conforming amendment Section 1839(b) of the Social Security Act ( 42 U.S.C. 1395r(b) ) is amended, in the first sentence, by striking or (l) and inserting (l), or (m) . 202. Permitting an attestation of employment-based health insurance coverage during the COVID–19 public health emergency Subsection (b) of section 1839 of the Social Security Act ( 42 U.S.C. 1395r ) is amended by inserting the following after the second sentence: With respect to enrollments under this part during the emergency period described in section 1135(g)(1)(B), for purposes of demonstrating enrollment in a group health plan or a large group health plan for a period of time under the preceding sentence, the Secretary shall accept an attestation from an individual regarding the individual's coverage during such period in lieu of the individual providing otherwise required documentation. . 203. Suspension of the Medicare part D low-income subsidy asset test Section 1860D–14(a)(3) of the Social Security Act ( 42 U.S.C. 1395w–114(a)(3) ) is amended— (1) in subparagraph (A)(iii), by