A Certificate of Service of Andes Brief is a document that proves that a legal document, such as a summons, complaint, or motion, was properly served to the defendant or respondent. It is typically issued by a process server or other legal delivery service. There are two main types of Certificate of Service of Andes Brief: one for service by mail and one for service by personal delivery. The Certificate of Service of Andes Brief for service by mail includes an affidavit of service, which is a sworn statement from the process server that the document was mailed to the proper address. The Certificate of Service of Andes Brief for service by personal delivery includes a signed affidavit of service, which is a sworn statement from the process server that the document was personally delivered to the defendant or respondent.