Section 300.515 - Timelines and convenience of hearings and reviews(a) The public agency must ensure that not later than 45 days after the expiration of the 30 day period under § 300.510(b) , or the adjusted time periods described in § 300.510(c) - (1) A final decision is reached in the hearing; and(2) A copy of the decision is mailed to each of the parties.(b) The SEA must ensure that not later than 30 days after the receipt of a request for a review- (1) A final decision is reached in the review; and(2) A copy of the decision is mailed to each of the parties.(c) A hearing or reviewing officer may grant specific extensions of time beyond the periods set out in paragraphs (a) and (b) of this section at the request of either party.(d) Each hearing and each review involving oral arguments must be conducted at a time and place that is reasonably convenient to the parents and child involved. Authority: 20 U.S.C. 1415(f)(1)(B)(ii) , 1415(g) , 1415(i)(1)