What it means
Florida probate runs on two kinds of notice. Informal notice is ordinary service under rule 5.041. Formal notice has teeth: the person receives the pleading itself plus a notice that written defenses are due within 20 days of service — and that silence may let the court grant the relief demanded without further notice.
Formal notice must be provable. If the person has an attorney in the case, it goes to the attorney; otherwise it travels by signed-receipt mail or commercial delivery, or the way a summons is served. First-class mail is a narrow fallback, only for in rem relief when signed-receipt delivery fails. Anyone may opt to give formal notice instead of informal.
- Formal notice = the pleading or motion itself, plus a demand to serve written defenses within 20 days of service, excluding the day of service.
- No written defense in 20 days → the matter may be considered ex parte as to that person, unless the court orders otherwise.
- If an attorney has appeared for the person, formal notice must go to the attorney under Rule 2.516.
- Otherwise: commercial delivery or mail requiring a signed receipt, or the methods Florida law provides for service of process.
- First-class mail works only for in rem or quasi in rem relief, and only after signed-receipt delivery is unavailable, refused, or unclaimed.
- Choosing formal notice instead of informal notice is allowed — but it does not change any statutory time period.
How it plays out
Formal notice is what makes contested probate orders stick. When we petition to determine beneficiaries or open an adversary proceeding, the signed receipt in the file is the thing that lets the judge act when someone stays silent past the 20 days. Out-of-state heirs are where this rule earns its keep — and where we see it botched: informal service where the rules demanded formal notice is the most common reason an order comes back around. Formal notice gives the court power over the person's interest in the estate, not over the person.