Insured status for purposes of old-age and survivors insurance benefits

one quarter of coverage (whenever acquired) for each calendar year elapsing after 1950 (or, if later, the year in which he attained age 21) and before the year in which he died or (if earlier) the year in which he attained age 62, except that in no case shall an individual be a fully insured individual unless he has at least 6 quarters of coverage; or 40 quarters of coverage; or in the case of an individual who died before 1951, 6 quarters of coverage; The term “currently insured individual” means any individual who had not less than six quarters of coverage during the thirteen-quarter period ending with (1) the quarter in which he died, (2) the quarter in which he became entitled to old-age insurance benefits, (3) the quarter in which he became entitled to primary insurance benefits under this subchapter as in effect prior to August 28, 1950, or (4) in the case of any individual entitled to disability insurance benefits, the quarter in which he most recently became entitled to disability insurance benefits, not counting as part of such thirteen-quarter period any quarter any part of which was included in a period of disability unless such quarter was a quarter of coverage, and who satisfies the criterion specified in subsection (c). has been assigned a social security account number that was, at the time of assignment, or at any later time, consistent with the requirements of subclause (I) or (III) of section 405(c)(2)(B)(i) of this title; or is described in subparagraph (B) or (D) of section 1101(a)(15) of title 8, is lawfully admitted temporarily to the United States for business (in the case of an individual described in such subparagraph (B)) or the performance as a crewman (in the case of an individual described in such subparagraph (D)), and the business engaged in or service as a crewman performed is within the scope of the terms of such individual’s admission to the United States. The amendments made by this section [amending this section and sections 415, 416, 423, and 427 of this title and provisions set out as a note under section 415 of this title] (except the amendment made by subsection (i) [amending section 3121 of Title 26, Internal Revenue Code], and the amendment made by subsection (g) to section 209(i) of the Social Security Act [42 U.S.C. 409(i)]) shall apply only in the case of a man who attains (or would attain) age 62 after December 1974. The amendment made by subsection (i), and the amendment made by subsection (g) to section 209(i) of the Social Security Act, shall apply only with respect to payments after 1974. In the case of a man who attains age 62 prior to 1975, the number of his elapsed years for purposes of section 215(b)(3) of the Social Security Act [42 U.S.C. 415(b)(3)] shall be equal to (A) the number determined under such section as in effect on September 1, 1972, or (B) if less, the number determined as though he attained age 65 in 1975, except that monthly benefits under title II of the Social Security Act [42 U.S.C. 401 et seq.] for months prior to January 1973 payable on the basis of his wages and self-employment income shall be determined as though this section had not been enacted. In the case of a man who attains or will attain age 62 in 1973, the figure ‘65’ in sections 214(a)(1), 223(c)(1)(A), and 216(i)(3)(A) of the Social Security Act [42 U.S.C. 414(a)(1), 423(c)(1)(A), 416(i)(3)(A)] shall be deemed to read ‘64’. In the case of a man who attains or will attain age 62 in 1974, the figure ‘65’ in sections 214(a)(1), 223(c)(1)(A), and 216(i)(3)(A) of the Social Security Act shall be deemed to read ‘63’.” in the case of monthly benefits under title II of the Social Security Act [42 U.S.C. 401 et seq.] for months beginning on or after the effective date of this title [see note set out under section 402 of this title], based on applications filed in or after March 1961, in the case of lump-sum death payments under such title with respect to deaths on or after the effective date of this title, and in the case of an application for a disability determination (with respect to a period of disability, as defined in section 216(i) of such Act [42 U.S.C. 416(i)]) filed in or after March 1961.” on January 1, 1984, is age 55 or over, and is an employee of an organization described in section 210(a)(8)(B) of the Social Security Act [42 U.S.C. 410(a)(8)(B)] (A) which does not have in effect (on that date) a waiver certificate under section 3121(k) of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] [26 U.S.C. 3121(k)] and (B) to the employees of which social security coverage is extended on January 1, 1984, solely by reason of the enactment of this section [amending section 410 of this title and section 3121 of Title 26, Internal Revenue Code, and enacting provisions set out as notes under section 3121 of Title 26], and after December 31, 1983, acquires the number of quarters of coverage (within the meaning of section 213 of the Social Security Act [42 U.S.C. 413]) which is required for purposes of this subparagraph under paragraph (2), The number of quarters of coverage which is required for purposes of subparagraph (B) of paragraph (1) shall be determined as follows:  “In the case of an individual who on  January 1, 1984, is—The number of quarters of coverage so required shall be— age 60 or over6  age 59 or over but less than age 608  age 58 or over but less than age 5912  age 57 or over but less than age 5816  age 55 or over but less than age 5720.” For the purposes of this subchapter— The term “fully insured individual” means any individual who had not less than— For purposes of subsections (a) and (b), the criterion specified in this subsection is that the individual, if not a United States citizen or national— at the time any such quarters of coverage are earned— If any individual— (Source: (Aug. 14, 1935, ch. 531, title II, § 214, as added Aug. 28, 1950, ch. 809, title I, § 104(a), 64 Stat. 492, 505; amended July 18, 1952, ch. 945, § 3(b), 66 Stat. 770; Sept. 1, 1954, ch. 1206, title I, §§ 106(b), 108(a), 68 Stat. 1079, 1083; Aug. 1, 1956, ch. 836, title I, § 108, 70 Stat. 830; Pub. L. 85–840, title II, § 205(l), Aug. 28, 1958, 72 Stat. 1025; Pub. L. 86–778, title II, § 204(a), Sept. 13, 1960, 74 Stat. 948; Pub. L. 87–64, title I, § 103(a), June 30, 1961, 75 Stat. 137; Pub. L. 92–603, title I, § 104(a), Oct. 30, 1972, 86 Stat. 1340; Pub. L. 108–203, title II, § 211(a), Mar. 2, 2004, 118 Stat. 518.))