The copy the clerk issues
A ruling from a Roman tribunal is only useful abroad in the form the court itself issues. Go to the cancelleria, the clerk's registry that keeps the case file, and ask for a copia autentica. That is a certified copy carrying the clerk's own stamp. Below is how to legalize a Court Order once you hold that copy.
Ask for the full text, not the short operative part on its own. Foreign judges and registrars often want the reasons as well as the outcome, and a two-page extract will not satisfy them. Give the clerk the case number and the year of the docket. The registry then prints and seals what the file holds.
Proof that the ruling is final
Most receiving offices also want to know the ruling can no longer be appealed. The clerk can add an attestazione di definitività, a note saying the judgment has become final. Without it, a registrar abroad may treat your paper as work in progress. Ask for that note during the same visit, because a second trip costs another wait.
A judicial paper stays inside the court
Court papers never go to the Prefettura. In Italy a judicial act is stamped by the Procura della Repubblica, the public prosecutor's office sitting in the same court building. Its clerk compares the signature on your copy against the register and adds a legalization stamp. Embassy legalization of a Court Order in Rome cannot move forward until that stamp is on the sheet.
Handing it to the destination's mission
The last office is the mission of the country where the ruling will be used. Consular legalization of a Court Order in Italy means an embassy or consulate here checks the Procura's seal and adds its own. Bring the sealed copy, the finality note and any form the mission publishes. Several desks also want the names of the parties typed on the request.
Fees and waiting time
The state's share is a €16 tax stamp (marca da bollo), and the mission charges its own consular fee. Embassy attestation of a Court Order in Rome usually falls inside 10–15 business days, or 3–5 business days where an express route exists. Court registries slow down in August, so ask the clerk for a realistic date.
What stops a judgment at the desk
Files fail for dull reasons. A copy that is only a summary, a missing finality note, or a party's name spelled differently from the passport will each send you home. Check that the pages are numbered and that the seal crosses the join. You can legalize a Court Order in Rome in one run when the copy is complete on the first day.
Settle one question before you spend anything. Whether the destination needs this consular chain at all rests on its own rules, and only the authority that will read the ruling can confirm it. Write to them and keep the reply. Some will name a shorter route; others will list papers you had not thought of.