; and (B) any amount by which the percentage fee for all such cases exceeds— (i) such individual’s actual compensation for such cases, as adjusted under subparagraph (A) of paragraph (3); plus (ii) the actual, necessary expenses incurred by such individual as standing trustee in such cases. Subject to the approval of the Attorney General, any or all of the interest earned from the deposit of payments under plans by such individual may be utilized to pay actual, necessary expenses without regard to the percentage limitation contained in paragraph (3)(B) of this subsection. ; and (5) by striking subsection (f). (b) Regulations Not later than 1 year after the date of enactment of this Act, the Attorney General shall promulgate regulations to implement a process for substituting a trustee under section 1001 of title 11, United States Code, when necessary. V Bankruptcy lien filing system 501. Bankruptcy lien filing system (a) In general Not later than 1 year after the date of enactment of this Act, the Director of the Executive Office For United States Trustees shall establish a searchable electronic system for the filing of liens created by, or under, title 11, United States Code, including— (1) liens created under section 1028(i)(1) of that title