correction to my answer: FS 83.57 states that the notice requirement is 30 days' time for a quarter-to-quarter periodic payment.

Your notice demand must state the tenant's name, the premises, the date you are signing, that the lease is terminated effective at the end of May, that you demand that the tenant remove himself and all of his items and turn over keys and possession to you no later than at the end of the last day of May or 9:00 AM June 1st, 2013, your name, your address, your telephone number. mail certified so you have a record of it, mail to your own house and make sure that you mail return receipt requested, "restricted delivery" is checked on the green RRR card. Also, tape a copy to his bedroom door. Good luck!