Section 109 - Methods and waiver of notice(a) Notice to a person under this title or the sending of a document to a person under this title must be accomplished in a manner reasonably suitable under the circumstances and likely to result in receipt of the notice or document. Permissible methods of notice or for sending a document include first-class mail, commercial delivery service, personal delivery, delivery to the person's last known place of residence or place of business, or a properly directed electronic message.(b) Notice otherwise required under this title or a document otherwise required to be sent under this title need not be provided to a person whose identity or location is unknown to and not reasonably ascertainable by the trustee.(c) Notice under this title or the sending of a document under this title may be waived by the person to be notified or sent the document.(d) Notice of a judicial proceeding must be given as provided in the applicable rules of court procedure.