Bexar County's Required Small Estate Affidavit form. Complete the entire form.You may attach additional sheets if necessary, but do not simply state. Directions: The completed form must be submitted via the Document Uploader. San Antonio, TX 782659791. In most cases, you may also provide documentation in a digital format (CD or flash drive). The signature of the affiant, attesting to the truthfulness of the statements made in the affidavit, and the signature of a notary public. Northside ISD requires evidence that a student resides in the District before the student can be enrolled. San Antonio, TX 782696000. Enclosed is a legal document called an "Affidavit of Direct Payments.