Start with the office that holds the record
Your adoption record starts life at a public office, not at home. In Padua the civil registry at the Comune keeps it and prints copies on request. Ask the clerk for a recent copy with a wet signature and the office seal. A photocopy you made yourself is never stamped.
People ask how to apostille an Adoption Certificate as if it were one step. It is really two. First the right Italian office signs the paper, then a second state office adds the apostille on top. Get the first part wrong and the second desk will send you home.
Prefettura or Procura: the split that trips families up
Italy joined the Hague apostille treaty in 1978, so one stamp replaces a chain of embassy visits. Which office puts it on depends on who signed your paper. The Prefettura (Prefecture) handles records from town halls and other state desks. The Procura della Repubblica, the public prosecutor's office, handles court and notary papers.
This split matters a lot for adoption papers. A registry extract from the Comune is an office record, so the Prefettura signs it. A ruling handed down by a court is a court paper, so it goes to the Procura. Before you apostille an Adoption Certificate in Italy, read the top of the page and see which body issued it.
What the stamp costs
The apostille cost for an Adoption Certificate in Padua is fixed by the state, not by the clerk at the desk. You pay €16 per document as a tax stamp. Some papers are let off that stamp, and family records can fall in that group, so ask before you buy one.
Using the record abroad
Adoptive families need the stamped record for real, dated jobs: a passport for the child, a school place, a visa file, a change of surname, or a claim on an estate. Each desk keeps its own list, so ask the one that will read your file what it wants.
Most people who apostille an Adoption Certificate in Padua also need it in the local language, so plan for a sworn translation. Our translator signs the asseverazione, the formal oath of accuracy, before a Tribunale, and the court stamps the bundle. Note that legalisation of an Adoption Certificate in Padua only proves the signature. Whether the country abroad accepts it is their call.