Civil Procedure Rule 4.1
Service upon an individual from whom a waiver has not been obtained and filed, other than those specified in paragraphs (e), (f) and (g) of this Rule 4.1, shall be effected by delivering a copy of the summons and of the pleading to that individual personally or by leaving copies thereof at that individual's dwelling house or usual place of abode with some person of suitable age and discretion then residing therein or by delivering a copy of the summons and of the pleading to an agent authorized by appointment or by law to receive service of process.
DUTY OF WAIVER
An individual, governmental entity, corporation, partnership or unincorporated association that is subject to service under paragraph (d), (h)(1)-(4)(A), or (i) of this Rule 4.1 and that receives notice of an action in the manner provided in this paragraph has a duty to avoid unnecessary costs of serving the summons. To avoid costs, the plaintiff may notify such a defendant of the commencement of the action and request that the defendant waive service of a summons... (5) The costs to be imposed on a defendant under paragraph (2) for failure to comply with a request to waive service of a summons shall include the costs subsequently incurred in effecting service.