either resides in the public domain or has been released under an intellectual property license that permits its free use, reuse, modification, and sharing with others. (4) Open textbook The term open textbook means an open educational resource or set of open educational resources that either is a textbook or can be used in place of a textbook for a postsecondary course at an institution of higher education. (5) Relevant faculty The term relevant faculty means both tenure track and contingent faculty members who may be involved in the creation of open educational resources or the use of open educational resources created as part of the grant application. (6) Secretary The term Secretary means the Secretary of Education. 4. Grant program (a) Grants authorized From the amounts appropriated under subsection (i), the Secretary shall make grants, on a competitive basis, to eligible entities to support projects that expand the use of open textbooks in order to achieve savings for students while maintaining or improving instruction and student learning outcomes. (b) Eligible entity In this section, the term eligible entity means an institution of higher education or group of institutions of higher education. (c) Applications (1) In general Each eligible entity desiring a grant under this section, after consultation with relevant faculty, shall submit an application to the Secretary at such time, in such manner, and accompanied by such information as the Secretary may reasonably require. (2) Contents Each application submitted under paragraph (1) shall include a description of the project to be completed with grant funds and— (A) a plan for promoting and tracking the use of open textbooks in postsecondary courses offered by the eligible entity, including an estimate of the projected savings that will be achieved for students