If after 60 days the submitting authority has not provided further information in response to a request made pursuant to Sec. 51.37(b), the Attorney General, absent extenuating circumstances and consistent with the burden of proof under section 5 described in Sec. 51.52(a) and (c), may object to the change, giving notice as specified in Sec. 51.44. [Order 3262-2011, 76 FR 21247, Apr. 15, 2011]