§390.4. Exemptions. — Inbound Citations

(2) Except as provided in paragraph (g) of this section, service of any document in proceedings commenced on or after March 21, 2005, must be made by electronic means unless the sender and recipient agree otherwise or the recipient's e-mail address is unavailable from the official service list, except in the case of a recipient who has secured a waiver under the provisions of § 390.3 of this chapter, or is exempt under the provisions of § 390.4 of this chapter, or in the case of a protected or confidential document the security of which might be jeopardized by electronic service, in which case service upon that recipient or of that document only shall be made by:

(i) United States mail, first class or better; or

(ii) Delivery in a manner that, and to a place where, the person on whom service is required may reasonably be expected to obtain actual and timely receipt.