1. I,. , am over eighteen years of age and competent to testify. 2. General affidavit form for use within the State of Maryland.Modify this affidavit to meet your specific needs. Affidavit of Service (Private Process). Use this form to provide proof to the court that copies of documents filed in a case have been served on a party. What is an Affidavit of Identity? Generally. "I solemnly affirm under the penalties of perjury that the contents of this document are true to the best of my knowledge, information, and belief.". Add a section for the affiant to sign and date the affidavit. The signature should be done in the presence of a notary public or another authorized official. In completing this form, you should also review §§ 5-833 to 5-839 of the Public Ethics Law.