(a) The petitioner shall reply to each affirmative defense contained in an answer. The reply, together with any affidavits which shall be limited to support of such reply, shall be served within 10 days after service of the answer to which it responds in the manner set forth in section 275.8(b) of this Part, except that a reply in a charter school location/co-location appeal pursuant to section 276.11 of this Title shall be served within the time prescribed by such section 276.11 of this Title. If an answer has been served by mail upon petitioner or petitioner's counsel, the date of mailing and the four days subsequent thereto shall be excluded in computing the 10-day period.

(b) Reply in an appeal regarding a homeless child's or youth's access to a free, appropriate public education pursuant to section 100.2(x) of this Title. The petitioner shall reply to each affirmative defense contained in an answer. The reply, together with any affidavits which shall be limited to support of such reply, shall be served in the manner set forth in either section 275.8(b) or (e) of this Part.