Whether you need a stipulated order or a motion to amend the whole Case Management Plan turns on whether the extension touches any other deadline.
Civil cases in Hardee, Highlands and Polk Counties governed by a Civil Case Management Plan under AO 3-42.2.
If all parties agree to extend an individual deadline AND the extension will not affect compliance with the remaining deadlines, the parties may submit a motion and stipulated order granting the extension. If extending the individual deadline will or may affect compliance with any remaining deadline, the parties must instead move to amend the preapproved Case Management Plan. To change a trial period that has already been set, the parties must comply with Fla. R. Civ. P. 1.460.
If all parties agree to an extension of an individual deadline and the extension will not affect compliance with the remaining deadline(s), the parties may submit a motion and stipulated order granting extension of the deadline. If extending the individual deadline will or may affect compliance with a remaining deadline(s), then the parties must move to amend the preapproved Case Management Plan. ... To change an actual trial period that has been set, the parties must comply with rule 1.460, Florida Rules of Civil Procedure.
Florida follows the federal summary-judgment standard. The motion must be served at least 40 days before the hearing; the nonmovant's response is due no later than 20 days before the hearing.
How Florida procedural deadlines are computed: exclude the trigger day; count every day for periods of 7 days or more; for periods under 7 days, skip intermediate weekends and legal holidays; roll forward when the last day is a weekend or holiday.
Judge Siperstein requires every motion to be set within 5 days of filing and heard within 60 days, or it may be deemed abandoned.