A self-signed statement will not travel
Inside Italy you may often write a fact about yourself, sign it, and hand it in. Public offices here take such a sheet on trust and check it later if they wish. That habit does not cross a border. An office abroad has no way to test your signature, so it wants a witness whose signature can itself be checked, and that means a notary.
Draft the wording before you sign
Ask the office abroad exactly what it needs stated, and in what terms, before anyone books a notary. A declaration is judged on its wording, and a sentence that does not answer their question is a wasted sheet. Send us their email and we shape a draft around it. Learning how to legalize a Statutory Declaration matters less than getting these few lines right first.
Signing in front of a notary in Palermo
You sign in the notary's presence, with an identity document on the table, and the notary records that he saw you do it. For a sworn version you also read the words aloud as an oath. The notary keeps a record and gives you the signed sheet with his seal on it. Book the slot with the destination in mind, because he will note the intended use.
Why the courthouse stamps it next
The sheet is now a notarial act. Embassy legalization of a Statutory Declaration in Palermo therefore goes to the Procura della Repubblica inside the courthouse, which vouches for notaries' signatures. The Prefettura (Prefecture) handles papers signed by town-hall and other state staff, so it plays no part on this route. Send the file there and it comes back over the counter unread.
The court clerk compares the notary's signature with the specimen the court keeps, then adds the stamp. A €16 tax stamp, the marca da bollo, is bought for the file at the same time. Nothing in your wording is reviewed at this stage. If the notary is one the court cannot match, the sheet has to be signed again in front of someone it can.
The mission stamp, its fee and the wait
Consular legalization of a Statutory Declaration in Italy finishes at the mission of the country the sheet is going to. Its clerk looks for the court stamp, adds the mission's own mark, and charges a fee that the mission alone sets. We ask for that tariff and the counter days in writing before booking. Allow 10–15 business days for the whole run, or 3–5 business days on the express route.
What people actually declare
Common subjects are marital status, who depends on you, that you are the only heir, where you live for a foreign bank, or consent for a child to travel. People also legalize a Statutory Declaration in Palermo to state that no income was earned in a given period. Each of those goes to a different kind of office, and each office words its question differently, which is why the draft comes first.
Language and acceptance checks
Embassy attestation of a Statutory Declaration in Palermo does not make the wording acceptable, only the signature. So ask the receiving office, in writing, which language it wants the sheet in and whether the version must be sworn. Wait for that reply before a translator is paid, since a translation bought too early is sometimes refused and bought again.
Whether the mission stamp is needed at all depends on the country your sheet is going to. Put the question to the authority that will read it, and keep the answer on file. Some are satisfied with the court stamp alone. Others will not accept a declaration without the mission mark beside it. That reply tells us where your file should stop.