; and (bb) for requests submitted after the initial request, the qualified borrower has made at least six diligent attempts during the preceding six-month period to secure full-time employment. (ii) Acceptance of employment A qualified borrower shall not be eligible for a deferment under this subparagraph if the qualified borrower refuses to seek or accept employment in types of positions or at salary levels or responsibility levels for which the qualified borrower feels overqualified based on the qualified borrower’s education or previous experience. (C) Terms of deferment The following terms shall apply to a deferment under this subparagraph: (i) Initial period The first deferment granted to a qualified borrower under this subparagraph may be for a period of unemployment beginning not more than 6 months before the date on which the Secretary receives the qualified borrower’s request for deferment and may be granted for a period of up to 6 months after that date. (ii) Renewals Deferments under this subparagraph shall be renewable at 6-month intervals beginning after the expiration of the first period of deferment under clause (i). To be eligible to renew a deferment under this subparagraph, a qualified borrower shall submit to the Secretary the information described in subparagraph (B)(i). (iii) Aggregate limit The period of all deferments granted to a borrower under this subparagraph may not exceed 3 years in aggregate. (5) Health deferment (A) In general A qualified borrower shall be eligible for a deferment during periods in which the qualified borrower is unable to make scheduled loan payments due to high medical expenses, as determined by the Secretary. (B) Eligibility To be eligible to receive a deferment under this subparagraph, a qualified borrower shall— (i) submit to the Secretary documentation demonstrating that making scheduled loan payments would be an extreme economic hardship to the borrower due to high medical expenses, as determined by the Secretary