For example, the U.S. Securities and Exchange Commission’s (SEC) Rule 150 allows for service by all of the following means:
Hand-delivery to the person being served;
“[L]eaving a copy at the person’s office with a clerk or other person in charge thereof;”
“[L]eaving a copy at the person’s dwelling house or usual place of abode with some person of suitable age and discretion then residing therein;”
“[M]ailing the papers through the U.S. Postal Service by first class, certified, registered, or Express Mail delivery addressed to the person;”
“[S]ending the papers through a commercial courier service or express delivery service addressed to the person;”
“[T]ransmitting the papers by facsimile machine,” if agreed in advance, and if receipt is confirmed by mutually-agreed means; or
Service on the party’s legal counsel via any of the foregoing means, if the party’s counsel has filed a notice of appearance pursuant to SEC Rule 102.