Notarization and legalization
The power of Attorney must be sign before and by a notary, who will give faith on the content and the identity of the grantor. Also, the notary will give faith that the copies of your passports are truthful copies of the original.
If you are located in any of the following countries, the links below can help you finding the closest notary to your address:
If you are located in USA, you shall ask to your attorney there, for fees and procedure may vary among the States.
If you are located in Germany the following link can guide you over the notarization and legalization process:
You shall legalize both documents so they can be valid in Spain. If you are located in a country that is part of the Hague Convention such as Spain, USA, UK, France, Germany, Ireland, Russia or Belgium, the legalization process is done by affixing the Hague Apostille Stamp at the corresponding Foreign Office or any other authorized department.
On the contrary, if you are located in a country that is not part of the Hague Convention such as Canada, your documents will need double legalization process.