Factors used to determine main home. In addition to the amount of time you live in each home, other factors are relevant in determining which home is your main home. Those factors include the following.
Your place of employment.
The location of your family members' main home.
Your mailing address for bills and correspondence.
The address listed on your:
Federal and state tax returns,
Driver's license,
Car registration, and
Voter registration card.
The location of the banks you use.
The location of recreational clubs and religious organizations of which you are a member.