Learn how to fill out an affidavit correctly with this comprehensive guide. Discover the steps, types, and when you might need an affidavit.The affidavit typically includes detailed information about how and when the service was performed, the identity of the recipient, and other relevant details. It is very important that you complete this form, have it notarized, and return it to our office, even if no direct payments were received. Learn how to write an affidavit. Affidavits are a powerful form of evidence that lawyers use to strengthen their cases. This form and any proof submitted do not guarantee the issuance of a Texas driver license or identification card. 1. Learn how to complete a marriage affidavit template with our stepbystep guide for newlyweds. If a Waiver or an Answer has not been filed, you must fill out the Certificate of Last Known Address form and the. Verify statements for legal matters and business transactions using our Texas general affidavit form template.