Before I can file an action for damages under Florida Statute 772.11, the person claiming injury must send written demand via certified mail as a pre-suit requirement. allowing the defendant 30 days after receipt to compile. In my case the defendant is in the wrong and has REFUSED the last 2 of 5 certified letters I have mailed . One of the refused letters contained the required written notice. Is the defendant still held responsible for knowingly REFUSING the certified notice because they knew the nature of the mailing and have I fulfilled the pre-suit requirement for F.S 772.11 by mailing the notice? If yes, is the date refused the start of the 30 days?