JOSM-Tool for importing addresses available?

Hello guys,

is there some tool available to import official data into houses? I’m soon in vacation in spain and think about adding some houses and it would be great to add some housenumbers too.
Any tipps or suggestions or something to take care of?

Greetings from austria

Here you have import on the import of buildings and postal numbers of the Spanish Cadastre.

https://wiki.openstreetmap.org/wiki/Spanish_Cadastre/Buildings_Import/Import_guide