; and (bb) shall not include withdrawing to avoid a particular grade or failing to register for a necessary class that was offered during such period to avoid a particular instructor; and (II) the term academic year , when used with respect to an eligible program at an institution, has the meaning given such term by the institution. (9) If a student is receiving a Federal Pell Grant for a payment period that spans 2 award years, the eligible institution in which the student is enrolled shall determine the award year to which the additional period shall be assigned. (10) A student may decline to receive any portion of a Federal Pell Grant for any payment period, except that the institution may establish a reasonable deadline by which the student may decline the Federal Pell Grant. . (b) Period of eligibility for grants Section 401(c) of such Act ( 20 U.S.C. 1070a(c) ) is amended by adding at the end the following new paragraph: (6) (A) The Secretary shall issue to each student receiving a Federal Pell Grant, an annual status report which shall— (i) inform the student of the remaining period during which the student may receive Federal Pell Grants in accordance with paragraph (5), and provide access to a calculator to assist the student in making such determination; (ii) include an estimate of the Federal Pell Grant amounts which may be awarded for such remaining period based on the student’s award amount determined under paragraph (2)(A) for the most recent award year; (iii) explain how the estimate was calculated and any assumptions underlying the estimate; (iv) explain that the estimate may be affected if there is a change— (I) in the student’s financial cir­cum­stances; or (II) the availability of Federal funding