In Side Of A Virgina In The State Of Virgina Do You Have To Give Written Notice To Put Someone (non Renter) Out?

In the state of Virgina do you have to give written notice to put someone (non renter) out? - in side of a virgina

I have a friend who lives with his girlfriend and now they are broke who want to leave you. Is your (your name only) is also used to receive messages, but clothing and furniture are available. She said she does not want to, you must provide written notice to leave? If the authorities are more likely to side with him or her? Please only serious answers!