; and (ii) the manner in which the supplemental waivers will be distributed. (D) If the number of supplemental waivers distributed under this paragraph in a fiscal year is less than the total number of supplemental waivers available for distribution in the fiscal year, the difference between the number distributed and the number available for distribution shall be added to the total number of supplemental waivers available for distribution in the subsequent fiscal year. (E) Ten percent of supplemental waivers distributed in a fiscal year shall be used to support positions in 1 or more facilities that serve patients who reside in medically underserved communities (as defined in section 799B of the Public Health Service Act ( 42 U.S.C. 295p ). (F) In this paragraph, the term eligible State agency means a State agency that, in the preceding fiscal year, used not fewer than 30 waivers under section 212(e). .