Under Florida law, certain types of contracts must also contain the parties' agreement on specific issues in order to be enforceable. Any agreement to perform an illegal act is not enforceable under Florida law.This ensures that contracts adhere to legal and ethical standards. Learn to draft a solid business contract in Florida. Key elements, types, and why consulting a business lawyer is essential. In the first part of the contract you will need to identify the parties to the agreement. No matter whether a contract is orally made or put into writing, every contract must have certain elements in order to be enforceable in court. A construction contract outlines each party's obligations, rights, and remedies on a project.