; and (B) in subparagraph (B), by striking 105 percent and inserting 210 percent ; and (2) by adding at the end the following: (4) (A) A stipend or allowance under this subsection shall not be increased as a result of amendments made by the 21st Century American Service Act , or any other amendment made to this subsection unless the funds appropriated for carrying out this part are sufficient to maintain for the fiscal year in question a number of participants to serve under this part at least equal to the number of such participants serving during the preceding fiscal year. (B) In the event that sufficient appropriations for any fiscal year are not available to increase any such stipend or allowance provided to the minimum amount specified in paragraph (2), the Director shall increase the stipend or allowance to such amount as appropriations for such year permit consistent with subparagraph (A). . (b) National and Community Service Act of 1990 Section 189 of the National and Community Service Act of 1990 ( 42 U.S.C. 12645c ) is amended— (1) in subsection (a), by striking $18,000 and inserting $28,244 ; (2) in subsection (e)(1), by striking $19,500 and inserting $39,000