The form below is a very basic one. Chances are you will need something more comprehensive.
TERMINATION OF TENANCY BY TENANT
As your tenant occupying the premises located at: _____________________________________________________, I hereby notify you of my intention to terminate the tenancy on or before ________________ (Date) and to deliver to you full possession of the above mentioned premises.
These forms are provided AS IS. They may not be any good. Even if they are good in one jurisdiction, they may not work in another. And the facts of your situation may make these forms inappropriate for you. They are for informational purposes only, and you should consult an attorney before using them.