This again indicates that Ford travelled to North Carolina because Williamson washis attorneys will contenddomiciled there. Domicile refers to the place you call home permanently.Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. How Do I Fill Out an Affidavit of Domicile? To register to vote in North Carolina, you must: Be a US citizen. According to the North Carolina instructions: A North Carolina Resident is an individual who is domiciled in North Carolina at any time during the tax year. Correct interpretation and application of North Carolina laws that regulate residency decisions.