Ohio Affidavit of Domicile Form. Use our Affidavit of Domicile form to verify the last home address of a deceased person to speed up the inheritance process.See the FAQ "Who is a resident of Ohio for income tax purposes?" for more information on how to determine domicile. See R.C. 5747.01(J). Particulars to be included. If you have not earned or received any income in Ohio, you may want to consider filing both this affidavit and Ohio form IT 10. Please do not mail the affidavit. 1. Open the e-District portal and log in. A taxpayer may have more than one residence but not more than one domicile. I, declare that I am temporarily residing or own property in the City of Lorain at.