((a)) ** Entitlement to benefits** Anyone who—

((1)) has attained the age of 65,

((2))

((A)) attained such age before 1968, or (B) has not less than 3 quarters of coverage (as defined in this subchapter or section 228e() of title 45), whenever acquired, for each calendar year elapsing after 1966 and before the year in which he attained such age,

((3)) is not, and upon filing application for monthly insurance benefits under would not be, entitled to hospital insurance benefits under , and is not certifiable as a qualified railroad retirement beneficiary under ,

((4)) is a resident of the United States (as defined in ), and is (A) a citizen of the United States or (B) an alien lawfully admitted for permanent residence who has resided in the United States (as so defined) continuously during the 5 years immediately preceding the month in which he files application under this section, and

((5)) has filed an application under this section in such manner and in accordance with such other requirements as may be prescribed in regulations of the Secretary,

((b)) ** Persons ineligible** The provisions of subsection (a) shall not apply to any individual who—

((1)) is, at the beginning of the first month in which he meets the requirements of subsection (a), a member of any organization referred to in section 410(a)(17)  of this title,

((2)) has, prior to the beginning of such first month, been convicted of any offense listed in , or

((3))

((A)) at the beginning of such first month is covered by an enrollment in a health benefits plan under chapter 89 of title 5,

((B)) was so covered on , or

((C)) could have been so covered for such first month if he or some other person had availed himself of opportunities to enroll in a health benefits plan under such chapter and to continue such enrollment (but this subparagraph shall not apply unless he or such other person was a Federal employee at any time after ).

((c)) ** Authorization of appropriations** There are authorized to be appropriated to the Federal Hospital Insurance Trust Fund (established by ) from time to time such sums as the Secretary deems necessary for any fiscal year, on account of—

((1)) payments made or to be made during such fiscal year from such Trust Fund under part A of subchapter XVIII of this chapter with respect to individuals who are entitled to hospital insurance benefits under solely by reason of this section,

((2)) the additional administrative expenses resulting or expected to result therefrom, and

((3)) any loss in interest to such Trust Fund resulting from the payment of such amounts,