; (2) waived any right to review or appeal under this Act of an immigration officer’s determination as to the a admissibility of the alien at the port of entry into the United States, and (3) waived any right to contest, other than on the basis of an application for asylum, any action for removal of the alien. . 303. Increase in immigration detention capacity Not later than September 30, 2018, and subject to the availability of appropriations, the Secretary of Homeland Security shall increase the immigration detention capacity to a daily immigration detention capacity of not less than 48,879 detention beds. 304. Collection of DNA from criminal and detained aliens (a) In general Section 3(a)(1) of the DNA Analysis Backlog Elimination Act of 2000 ( 42 U.S.C. 14135a(a)(1) ) is amended by adding at the end the following: (C) The Secretary of Homeland Security shall collect DNA samples from any alien, as defined under section 101(a)(3) of the Immigration and Nationality Act ( 8 U.S.C. 1101(a)(3) ), who— (i) has been detained pursuant to section 235(b)(1)(B)(iii)(IV), 236, 236A, or 238 of that Act ( 8 U.S.C. 1225(b)(1)(B)(iii)(IV) , 1226, 1226a, 1228)