A Florida Affidavit In Led of Proof Of Compliance is a legal document used to certify that a business or individual has met certain obligations as required by the State of Florida. This document is typically used when a business or individual is unable to provide the necessary proof of compliance with the laws or regulations set forth by the state. Types of Florida Affidavit In Led of Proof Of Compliance include a Form DR-420, which is used to certify that a business or individual has complied with the Florida Statute regarding the record keeping of business books and records, and a Form DR-421, which is used to certify that a business or individual has complied with the Florida Statute regarding the filing of tax returns.