Affidavit (not sworn under oath) + copy of the document posted, Commercial certified mail to last known legal address or registered agent if they have one.
Mailing
Certified Mail
Entity Only
Mail always?
Entity Only
**By Whom Served.** [Comment: New Hampshire’s laws pertaining to the service of process are somewhat confusing and diverse. While private process servers may serve subpoenas, we could not locate a specific reference granting private process servers the authority to serve original process.]