; eligibility (a) Applications; demonstration of eligibility (1) Filing required The Secretary shall periodically set dates by which teacher candidates shall file applications for grants under this subpart. Each teacher candidate desiring a grant under this subpart for any year shall file an application containing such information and assurances as the Secretary may determine necessary to enable the Secretary to carry out the functions and responsibilities of this subpart. (2) Demonstration of teach grant eligibility Each application submitted under paragraph (1) shall contain such information as is necessary to demonstrate that— (A) if the applicant is an enrolled student— (i) the student is an eligible student for purposes of section 484; and (ii) the student is completing coursework and other requirements necessary to begin a career in teaching, or plans to complete such coursework and requirements prior to graduating; or (B) if the applicant is a current or prospective teacher applying for a grant to obtain a graduate degree— (i) the applicant is a teacher or a retiree from another occupation with expertise in a field in which there is a shortage of teachers, such as mathematics, science, special education, English language acquisition, or another high-need subject; (ii) the applicant is or was a teacher who is using evidence-based alternative certification routes