34 C.F.R. § 300.517
(a) In general.
(1) In any action or proceeding brought under section 615 of the Act, the court, in its discretion, may award reasonable attorneys' fees as part of the costs to—
(b) Prohibition on use of funds.
(c) Award of fees. A court awards reasonable attorneys' fees under section 615(i)(3) of the Act consistent with the following:
(2)
(i) Attorneys' fees may not be awarded and related costs may not be reimbursed in any action or proceeding under section 615 of the Act for services performed subsequent to the time of a written offer of settlement to a parent if—
(iii) A meeting conducted pursuant to § 300.510 shall not be considered—
(4) Except as provided in paragraph (c)(5) of this section, the court reduces, accordingly, the amount of the attorneys' fees awarded under section 615 of the Act, if the court finds that—
(5) The provisions of paragraph (c)(4) of this section do not apply in any action or proceeding if the court finds that the State or local agency unreasonably protracted the final resolution of the action or proceeding or there was a violation of section 615 of the Act.
(Authority: 20 U.S.C. 1415(i)(3)(B)-(G))