year, the visas described in this subsection are the following: (1) Visas otherwise allotted to the brothers and sisters of citizens of the United States under section 203(a)(4) of the Immigration and Nationality Act ( 8 U.S.C. 1153(a)(4) ). (2) Visas otherwise allotted to diversity immigrants under section 203(c) of such Act ( 8 U.S.C. 1153(c) ), disregarding any visas necessary to offset adjustments of status under section 309 of the Illegal Immigration Reform and Immigrant Responsibility ( 8 U.S.C. 1101 note), as required by section 203(d) of the Nicaraguan Adjustment and Central American Relief Act ( 8 U.S.C. 1151 note). (3) One half of the visas otherwise allotted to married sons and married daughters of citizens of the United States under section 203(a)(3) of the Immigration and Nationality Act ( 8 U.S.C. 1153(a)(3) ). (4) One half of the visas otherwise allotted to skilled workers, professionals, and other workers under section 203(b)(3) of the Immigration and Nationality Act ( 8 U.S.C. 1153(b)(3) ), disregarding any visas necessary to offset adjustments of status under section 309 of the Illegal Immigration Reform and Immigrant Responsibility ( 8 U.S.C. 1101 note), as required by section 203(e) of the Nicaraguan Adjustment and Central American Relief Act ( 8 U.S.C. 1151 note). (c) Termination In no case shall the total number of visas reallocated under subsection (a) exceed the total number of aliens who have had an application approved under section 3.