1. Open the e-District portal and log in. To be considered a Texas resident for tuition purposes, students must have clearly established a domicile in Texas for the 12 months preceding enrollment.Filling out the Affidavit of Domicile is straightforward. Use our Affidavit of Domicile form to verify the last home address of a deceased person to speed up the inheritance process. Edit, sign, and share domicile certificate form online. No need to install software, just go to DocHub, and sign up instantly and for free. Must be signed in the Presence of Notary.