Section 4311(b)(3) of Pub. L. 105–33 provided that:

“(A) Statement by secretary.—Paragraph (1) of section 1806(a) of the Social Security Act [subsec. (a)(1) of this section], as added by paragraph (1), and the repeal made by paragraph (2) [amending section 1395b–5 of this title] shall take effect on the date of the enactment of this Act [Aug. 5, 1997].

“(B) Itemized statement.—Paragraph (2) of section 1806 (a) and section 1806(b) of the Social Security Act [subsecs. (a)(2) and (b) of this section], as so added, shall take effect not later than January 1, 1999.”

Pub. L. 108–173, title IX, § 925, Dec. 8, 2003, 117 Stat. 2396, provided that:

“(a) In General.—The Secretary [of Health and Human Services] shall provide that in medicare beneficiary notices provided (under section 1806(a) of the Social Security Act, 42 U.S.C. 1395b–7 (a)) with respect to the provision of post-hospital extended care services under part A of title XVIII of the Social Security Act [part A of this subchapter], there shall be included information on the number of days of coverage of such services remaining under such part for the medicare beneficiary and spell of illness involved.

“(b) Effective Date.—Subsection (a) shall apply to notices provided during calendar quarters beginning more than 6 months after the date of the enactment of this Act [Dec. 8, 2003].”