29 C.F.R. § 2200.8 – Filing.

(a) What to file - (1) General. All documents required to be served on a party or intervenor shall be filed either before service or within a reasonable time after service.
(2) Discovery documents. Discovery documents generated pursuant to §§ 2200.52 through 2200.56 shall not be filed with the Commission or the Judge. Filing and retention of such discovery documents shall comply with § 2200.52(i) and (j).
(b) Where to file. Prior to assignment of a case to a Judge, all documents shall be filed electronically in the Commission's E-File System or with the Executive Secretary at One Lafayette Centre, 1120 20th Street NW, Suite 980, Washington, DC 20036-3457. After the assignment of the case to a Judge, all documents shall be filed electronically in the Commission's E-File System or with the Judge at the address given in the notice of assignment. After the docketing of the Judge's report, all documents shall be filed with the Executive Secretary, except as provided in § 2200.90(b)(4).
(c) Electronic filing with the Commission - (1) Mandatory e-filing. Parties and intervenors who are represented by an attorney or non-attorney representative, as provided in § 2200.22, must file documents electronically in the Commission's E-File System by following the instructions on the Commission's website (www.oshrc.gov), unless the documents are exempt from e-filing under paragraph (c)(5) of this section.
(2) Non-mandatory e-filing.
1. (i) Self-represented parties or intervenors, as provided in § 2200.22, may file documents electronically in the Commission's E-File System by following the instructions on the Commission's website (www.oshrc.gov). Self-represented parties or intervenors who elect e-filing must file all documents electronically, unless excused by the Commission or the Judge or the documents are exempt from e-filing under paragraph (c)(5) of this section.
2. (ii) Self- represented parties or intervenors who do not elect e-filing must file documents by postage-prepaid first class or higher class U.S. Mail, commercial delivery service, personal delivery, or facsimile transmission as described in paragraph (d) of this section.
(3) If technical difficulties prevent the successful submission of electronically filed documents, the e-filer should refer to the instructions for electronic filing on the Commission's website (www.oshrc.gov).
(4) Documents filed electronically in the Commission's E-File System may contain an electronic signature of the filer which will have the same legal effect, validity, and enforceability as if signed manually. The term “electronic signature” means an electronic symbol or process attached to or logically associated with a contact or other record and executed or adopted by a person with the intent to sign the document.
(5) Confidential and privileged documents. The following documents must not be filed electronically in the Commission's E-File System:
1. (i) Documents that may not be released to the public because the information is covered by a protective order or has been placed “under seal” pursuant to § 2200.52(d) and (e).
2. (ii) Documents submitted for in camera inspection by the Commission or the Judge, including material for which a privilege is claimed. Claims regarding privileged information must comply with § 2200.52(d).
3. (iii) Confidential settlement documents filed with the Judge pursuant to settlement procedures pursuant to § 2200.120.
4. (iv) Applications for subpoenas made ex parte pursuant to § 2200.65.
(6) Sensitive information. Unless the Commission or the Judge orders otherwise, all sensitive information in documents filed electronically in the Commission's E-File System must be redacted pursuant to paragraph (d)(5) of this section.
(7) Date of filing. The date of filing for documents filed electronically is the day that the complete document is successfully submitted in the Commission's E-File System pursuant to Rule 4(a)(4)(i). Electronic filing shall be completed by following the instructions on the Commission's website (www.oshrc.gov).
(8) Timeliness. Representatives and self-represented parties and intervenors bear the sole responsibility for ensuring that a filing is timely made.
(9) Certificate of service. Proof of service shall accompany each document filed in the Commission's E-File System. The certificate of service shall certify simultaneous service of the document by email on all other parties and intervenors in the case. It is the responsibility of the filing party to retain records showing the date of transmission, including receipts.
(d) Documents that are not filed in the Commission's E-File System; alternative filing methods - (1) How to file. Documents may be filed by postage-prepaid first class or higher class U.S. Mail, commercial delivery service, personal delivery, electronic transmission, or facsimile transmission.
(2) Number of copies. Unless otherwise ordered or stated in this part, only the original of a document shall be filed.
(3) Filing date.
1. (i) Except for the documents listed in paragraph (d)(3)(ii) of this section, if filing is by U.S. first class mail (or higher class mail, such as priority mail), then filing is deemed completed upon depositing the material in the U.S. Mail. If filing is by any other means (e.g., personal delivery, commercial delivery service, or facsimile transmission) then filing is deemed completed upon receipt by the Commission.
2. (ii) Filing is completed upon receipt by the Commission for petitions for interlocutory review (§ 2200.73), petitions for discretionary review (§ 2200.91), and EAJA applications (§ 2204.301).
3. (iii) Representatives and self-represented parties and intervenors bear the sole responsibility for ensuring that a filing is timely made.
(4) Certificate of service. A certificate of service shall accompany each document filed. The certificate shall set forth the dates and manner of filing and service.
(5) Sensitive information. Unless the Commission or the Judge orders otherwise, in any filing with the Commission, information that is sensitive (e.g., Social Security numbers, driver's license numbers, passport numbers, taxpayer-identification numbers, birthdates, mother's maiden names, names of minors, an individual's physical personal address, financial account numbers) but not privileged shall be redacted. Parties shall exercise caution when filing medical records, medical treatment records, medical diagnosis records, employment history, and individual financial information, and shall redact or exclude materials unnecessary to the case.
(6) Privileged information. Claims regarding privileged information shall comply with § 2200.52(d).