[excerpt]
IMMIGRATION AND NATIONALITY ACT[…..]
Sec. 201.
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(c) Worldwide Level of Family-Sponsored Immigrants. -
(1)(A) The worldwide level of family-sponsored immigrants under this subsection for a fiscal year is, subject to subparagraph (B), equal to -
(i) 480,000, minus
(ii) the sum of the number computed under paragraph (2) and the number computed under paragraph (4), plus
(iii) the number (if any) computed under paragraph (3).
(B)(i) For each of fiscal years 1992, 1993, and 1994, 465,000 shall be substituted for 480,000 in subparagraph (A)(i).
(ii) In no case shall the number computed under subparagraph (A) be less than 226,000.
(2) The number computed under this paragraph for a fiscal year is the sum of the number of aliens described in subparagraphs (A) and (B) of subsection (b)(2) who were issued immigrant visas or who otherwise acquired the status of aliens lawfully admitted to the United States for permanent residence in the previous fiscal year.
(3)(A) The number computed under this paragraph for fiscal year 1992 is zero.
(B) The number computed under this paragraph for fiscal year 1993 is the difference (if any) between the worldwide level established under paragraph (1) for the previous fiscal year and the number of visas issued under section 203(a) during that fiscal year.
(C) The number computed under this paragraph for a subsequent fiscal year is the difference (if any) between the maximum number of visas which may be issued under section 203(b) (relating to employment-based immigrants) during the previous fiscal year and the number of visas issued under that section during that year.
(4) The number computed under this paragraph for a fiscal year (beginning with fiscal year 1999) is the number of aliens who were paroled into the United States under section212(d)(5)in the second preceding fiscal year-
(A) who did not depart from the United States (without advance parole) within 365 days; and
(B) who (i) did not acquire the status of aliens lawfully admitted to the United States for permanent residence in the two preceding fiscal years, or (ii) acquired such status in such years under a provision of law (other than section 201(b)) which exempts such adjustment from the numerical limitation on the worldwide level of immigration under this section.
(5) If any alien described in paragraph (4) (other than an alien described in paragraph (4)(B)(ii)) is subsequently admitted as an alien lawfully admitted for permanent residence, such alien shall not again be considered for purposes of paragraph (1).2/
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