Public document: is the definitive purchase-sale contract that is signed before Notary. and Through this document, the property is attributed to the buyer, resulting owner of the purchase. Also this public document (commonly known as writing) has in itself the legal attribution to be registered in the Property Registry.
Other common public documents related to housing are: mortgage, new construction, horizontal division, etc.
The deed usually coincides with the signing of the mortgage loan necessary to finance the purchase. Your signature is necessary for the ownership of the property to be registered in the Land Registry in our name.
Tips: Upon signing, it is convenient to request the developer to deliver some licenses, in particular two: the first occupation license for the home and the garage activity license (if any).