How to register your S1 form in Spain using the Instituto Nacional de la Seguridad Social (INSS) online portal.
If you cannot visit an INSS office in person, you can register your S1 form online instead.
Some parts of the process are either in Spanish or need to be completed in Spanish.
Follow advice from Department of Health and Social Care and Foreign, Commonwealth & Development Office
LINK: https://bit.ly/3jX5NGQ
