Fla. Stat. § 678.205
An unauthorized signature placed on a certificated security prior to or in the course of issue or placed on an initial transaction statement is ineffective, but the signature is effective in favor of a purchaser for value of the certificated security or a purchaser for value of an uncertificated security to whom such initial transaction statement has been sent, if the purchaser is without notice of the lack of authority and the signing has been done by:
History.--s. 1, ch. 65-254; s. 1, ch. 87-275.
Note.--s. 8-205, U.C.C.; supersedes s. 674.25.