(a) A copy of the decision of the commissioner in an appeal will be forwarded by the office of counsel to all parties to the appeal, or, if they be represented by counsel, to counsel for the respective parties, with instructions for service and filing as may be appropriate. A copy will also be sent to those persons or organizations who have been granted leave to submit memoranda amicus curiae.

(b) 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, a copy of the decision of the commissioner in an appeal will also be forwarded by the office of counsel to the local educational agency liaison for homeless children or youth.