Fla. Stat. § 61.533
(1) Unless the court enters a temporary emergency order under s. 61.517, upon a finding that a petitioner is entitled to immediate physical custody of the child, the court shall order that the petitioner may take immediate physical custody of the child unless the respondent establishes that:
(a) The child custody determination has not been registered and confirmed under s. 61.528 and that:
1. The issuing court did not have jurisdiction under ss. 61.514-61.523;
2. The child custody determination for which enforcement is sought has been vacated, stayed, or modified by a court of a state having jurisdiction to do so under ss. 61.514-61.523; or
3. The respondent was entitled to notice, but notice was not given in accordance with the standards of s. 61.509 in the proceedings before the court that issued the order for which enforcement is sought; or
History.--s. 5, ch. 2002-65.