To send an electronic invoice to the Catalan Institute of Classical Archaeology (ICAC), click on the following link:
https://efact.eacat.cat/bustia/?emisorId=7
The DIR3 code of the ICAC is A09019049
For more information on this service go to the Consorci AOC (Open Administration Consortium of Catalonia) website by clicking on this link:
http://www.aoc.cat/Inici/SERVEIS/Relacions-amb-la-ciutadania/e.FACT-Empreses/Que-es