INA ACT 203 (a) and (b) clearly has nothing to do with the DV program. The section you quoted deals with family sponsored and employment based immigrant visas. Just like
noted above, what you should be looking at, with regards to Diversity visa program is Act 203 (c):
Act 203(c)
[URL='http://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0-0-29/0-0-0-914.html#0-0-0-178']201 (e) for diversity immigrants shall be allotted visas each fiscal year as follows:
[/URL]
(A) Determination of preference immigration. - The Attorney General shall determine for the most recent previous 5-fiscal-year period for which data are available, the total number of aliens who are natives of each foreign state and who (i) were admitted or otherwise provided lawful permanent resident status (other than under this subsection) and (ii) were subject to the numerical limitations of section
201(a) (other than paragraph (3) thereof) or who were admitted or otherwise provided lawful permanent resident status as an immediate relative or other alien described in section
201(b)(2) .
(B) Identification of high-admission and low-admission regions and high-admission and low-admission states. - The Attorney General -
(i) shall identify -
(I) each region (each in this paragraph referred to as a "high- admission region") for which the total of the numbers determined under subparagraph (A) for states in the region is greater than 1/6 of the total of all such numbers, and
(II) each other region (each in this paragraph referred to as a "low- admission region"); and
(ii) shall identify -
(I) each foreign state for which the number determined under subparagraph (A) is greater than 50,000 (each such state in this paragraph referred to as a "high-admission state"), and
(II) each other foreign state (each such state in this paragraph referred to as a "low-admission state").
(C) Determination of percentage of worldwide immigration attributable to high-admission regions. - The Attorney General shall determine the percentage of the total of the numbers determined under subparagraph (A) that are numbers for foreign states in high- admission regions.
(D) Determination of regional populations excluding high- admission states and ratios of populations of regions within low-admission regions and high-admission regions. - The Attorney General shall determine -
(i) based on available estimates for each region, the total population of each region not including the population of any high-admission state;
(ii) for each low-admission region, the ratio of the population of the region determined under clause (i) to the total of the populations determined under such clause for all the low-admission regions; and
(iii) for each high-admission region, the ratio of the population of the region determined under clause (i) to the total of the populations determined under such clause for all the high-admission regions.
(E) Distribution of visas. -
(i) No visas for natives of high-admission states.- The percentage of visas made available under this paragraph to natives of a high- admission state is 0.
(ii) For low-admission states in low-admission regions. - Subject to clauses (iv) and (v), the percentage of visas made available under this paragraph to natives (other than natives of a high-admission state) in a low-admission region is the product of-
(I) the percentage determined under subparagraph (C), and
(II) the population ratio for that region determined under subparagraph (D)(ii).
(iii) For low-admission states in high-admission regions. - Subject to clauses (iv) and (v), the percentage of visas made available under this paragraph to natives (other than natives of a high-admission state) in a high-admission region is the product of -
(I) 100 percent minus the percentage determined under subparagraph (C), and
(II) the population ratio for that region determined under subparagraph (D)(iii).
(iv) Redistribution of unused visa numbers. - If the Secretary of State estimates that the number of immigrant visas to be issued to natives in any region for a fiscal year under this paragraph is less than the number of immigrant visas made available to such natives under this paragraph for the fiscal year, subject to clause (v), the excess visa numbers shall be made available to natives (other than natives of a high-admission state) of the other regions in proportion to the percentages otherwis e specified in clauses (ii) and (iii).
(v) Limitation on visas for natives of a single foreign state. - The percentage of visas made available under this paragraph to natives of any single foreign state for any fiscal year shall not exceed 7 percent