; or (ii) if the recruit resides in a county with less than 100,000 residents, within 20 miles of the residence of the recruit where the recruit has resided for not fewer than 5 years; and (C) submit evidence of employment of the recruit to the eligible agency in the form of a certification by the chief administrative officer of the local law enforcement agency where the recruit is employed. (4) Repayment (A) In general If a recruit does not complete the service described in paragraph (3), the recruit shall submit to the local law enforcement agency an amount equal to any benefits the recruit received under this subsection. (B) Regulations The Attorney General shall promulgate regulations that establish categories of extenuating circumstances under which a recruit may be excused from repayment under subparagraph (A). .