Pennsylvania Affidavit of Service- Complaint- Certified Mail is a legal document used by the Pennsylvania courts to prove that a person has been officially served with a complaint. It is typically used when the serving party has sent the complaint via certified mail. The affidavit must be completed by the serving party and describe the details of how the complaint was served, such as the date, time, and address. It must also include a statement that the complaint was delivered to the address specified. The affidavit must be notarized and then filed in the court to prove that the complaint was officially served. There are two types of Pennsylvania Affidavit of Service- Complaint- Certified Mail: an affidavit of service for an individual and an affidavit of service for a business. Both affidavits must include the same details of the service and must be notarized and filed with the court.