The regulations in this subpart establish the criteria to be used in determining allowable increases in tuition and other educational costs for which the Secretary is responsible for payment under the following sections of the Public Health Service Act: The National Health Service Corps Scholarship Program (sec. 338A) (42 U.S.C. 254l) and the Indian Health Scholarship Program (awarded pursuant to sec. 338A-339G of the PHS Act) (25 U.S.C. 1613a). These programs are referred to herein as the “scholarship programs.” The regulations apply to increases in tuition and other educational costs occurring after the school year beginning immediately before October 1, 1981.