found this on google
As we mentioned, Florida Statute 320.07 speaks of expiration of registration for vehicles in FL. Here it states that a vehicle shall not be operated on the roads of this state after expiration of the renewal period unless the registration has been renewed according to law.
The FL law goes on to say that any person whose motor vehicle registration has been expired for a period of 6 months or less commits a noncriminal traffic infraction, punishable as a non-moving violation. Any person whose motor vehicle registration has been expired for more than 6 months shall upon a first offense be subject to the penalties such as paying a civil penalty and delinquent fee, if applicable, either by mail or in person, within 30 days after the date of issuance of the citation.
So it will depend upon how long your tags had been expired as to what your penalties will be. If they were expired less than 6 months you should be facing just a traffic infraction which appears to come with a fine. If however you have not renewed your vehicle's registration for over 6 months than you will be facing harsher penalties.
We have read that the fine for a tag expired less than 6 months is around $100 and that a tag expired 6 months or more can come with jail time up to 60 days and/or fine of up to $500.From fine schedules we have seen from around Florida the fine amount for 6 months or more tends to be around $150 to $200.