; and (3) by adding at the end the following new subparagraph: (B) Additional areas Any geographical area in which the Secretary determines there are a significant number of evacuees from an area described in subparagraph (A) shall also be considered to be an emergency area for purposes of this section. . 6. Exclusion of disaster relief coverage period in computing Medicare part B late enrollment period Section 1839(b) of such Act ( 42 U.S.C. 1395r(b) ) is amended, in the second sentence, by inserting before the period at the end the following: or, in the case of an individual who is a survivor of a disaster (as defined in paragraph (6) of section 1948(b)), any month any part of which is within the relief coverage period (as defined in paragraph (4) of such section) of such disaster . 7. Effective date (a) In general Subject to subsection (b), this Act and the amendments made by this Act shall take effect on the date of enactment of this Act. (b) Delay permitted if state legislation required In the case of a State plan approved under title XIX of the Social Security Act which the Secretary of Health and Human Services determines requires State legislation (other than legislation appropriating funds) in order for the plan to meet the additional requirement imposed by this section, the State plan shall not be regarded as failing to comply with the requirements of such title solely on the basis of the failure of the plan to meet such additional requirement before the 1st day of the 1st calendar quarter beginning after the close of the 1st regular session of the State legislature that ends after the 1-year period beginning with the date of the enactment of this section. For purposes of the preceding sentence, in the case of a State that has a 2-year legislative session, each year of the session is deemed to be a separate regular session of the State legislature. 8. Impact evaluation and reporting (a) In general Not later than 24 months after the date of enactment of this Act, the Secretary of Health and Human