; and (ii) in paragraph (6)(B), by inserting the Commonwealth of Puerto Rico, American Samoa, the Commonwealth of the Northern Mariana Islands, after Guam, . (3) Effective date (A) In general The amendments made by this subsection shall be effective with respect to the Commonwealth of Puerto Rico, American Samoa, or the Commonwealth of the Northern Mariana Islands, as applicable, on the date described in subparagraph (B) if the Secretary submits to Congress a certification under subsection (f)(3) of section 19 of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2028 ). (B) Date described The date referred to in subparagraph (A) is, with respect to the Commonwealth of Puerto Rico, American Samoa, or the Commonwealth of the Northern Mariana Islands, the date established by the Commonwealth of Puerto Rico, American Samoa, or the Commonwealth of the Northern Mariana Islands, respectively, in the applicable plan of operation submitted to the Secretary under subsection (f)(1)(A) of section 19 of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2028 ). (b) Transition of Puerto Rico, American Samoa, and the Northern Mariana Islands to supplemental nutrition assistance program Section 19 of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2028 ) is amended by adding at the end the following: (f) Transition of Puerto Rico, American Samoa, and the Northern Mariana Islands to supplemental nutrition assistance program (1) Submission of plan by Puerto Rico, American Samoa, and the Northern Mariana Islands (A) Submission and review of plan of operation If a State agency is designated by the Commonwealth of Puerto Rico, American Samoa, or the Commonwealth of the Northern Mariana Islands (referred to in this subsection as a governmental entity ) and submits to the Secretary a request to participate in the supplemental nutrition assistance program and a plan of operation under section 11 (including a date on which the governmental entity will begin to participate in the supplemental nutrition assistance program), the Secretary shall