; and (2) by adding at the end the following new subsection: (j) Limitation on documentation an individual is required To provide in order To demonstrate employment-Based health insurance for purposes of avoiding the late enrollment penalty (1) Limitation Subject to paragraph (2), for purposes of demonstrating enrollment in a group health plan or a large group health plan for a period of time under the second sentence of subsection (b), the Secretary may not require an individual to provide documentation of such enrollment for more than the 36-month period immediately preceding the close of the enrollment period in which the individual enrolled (or reenrolled). (2) Limitation not applicable if individual is unable to provide documentation for entire 36-month period In the case where an individual is unable to provide documentation of enrollment described in paragraph (1) for the entire preceding 36-month period described in such paragraph, the limitation under paragraph (1) shall not apply. (3) Individual can provide additional documentation Nothing in this subsection shall preclude an individual from providing the Secretary with documentation of enrollment for periods prior to the preceding 36-month period described in paragraph (1), including in the case where the limitation under paragraph (1) does not apply because of the application of paragraph (2). . (b) Effective date The amendment made by subsection (a) shall apply to calculations of premiums under such section 1839 made on or after the date of the enactment of this Act.