45 CFR §150.427

1. (a)Every submission filed with the ALJ must be filed electronically and include:
   1. (1)A caption on the first page, setting forth the title of the case, the docket number (if known), and a description of the submission (such as “Motion for Discovery”).
   2. (2)The signatory's name, address, and telephone number.
   3. (3)A signed certificate of service, specifying each address to which a copy of the submission is sent, the date on which it is sent, and the method of service.
2. (b)A party filing a submission with the ALJ must, at the time of filing, serve a copy of such submission on the opposing party. An intervenor filing a submission with the ALJ must, at the time of filing, serve a copy of the submission on all parties. If a party is represented by an attorney, service must be made on the attorney. An electronically filed submission is considered served on all parties using the electronic filing system.