; or (B) described in subsection (j)(5); (4) in the case of a borrower of an excepted PLUS Loan or an excepted Consolidation Loan, during a period described in subsection (k); (5) during a period in which such borrower is receiving treatment for cancer (in this paragraph referred to as the treatment period ), and the 6-month period after such treatment period (in this paragraph referred to as the post-treatment period ), except that, notwithstanding subsection (a), interest shall not accrue during any such treatment period or post-treatment period; or (6) during a period, not to exceed an aggregate of 180 days, in which the borrower— (A) is the spouse of a member of the Armed Forces serving on active duty; and (B) has experienced a loss of employment as a result of relocation to accommodate a permanent change in duty station of such member. (c) Length of deferment A deferment granted by the Secretary under subparagraph (F) of subsection (b)(1) shall— (1) be renewable at 12 month intervals; and (2) equal the length of time remaining in the borrower’s medical or dental internship or residency program. (d) Request and documentation The Secretary shall determine the eligibility of a borrower for a deferment— (1) under paragraph (1), (2), or (4) of subsection (b), based on— (A) the receipt of a request for a deferment from the borrower, and documentation of the borrower’s eligibility for the deferment; (B) receipt of a completed loan application that documents the borrower’s eligibility for a deferment; (C) receipt of a student status information documenting that the borrower is enrolled on at least a half-time basis; or (D) the Secretary’s confirmation of the borrower’s half-time enrollment status, if the confirmation is requested by the institution of higher education; and (2) under paragraph (6) based on— (A) (i) evidence that the borrower is the spouse of a member of the Armed Forces serving on active duty; (ii) evidence that a military permanent change of station order was issued to such member