C-332/05Aldo Celozzi v Innungskrankenkasse Baden-Württemberg

The court's own keywords

Freedom of movement for workers - Calculation of daily sick pay based on net income, itself determined by tax class - Automatic placing of a migrant worker whose spouse is resident in another Member State in an unfavourable tax class - Amendment of the tax class only on application by the migrant worker - Failure to take into account a subsequent amendment of the tax class on the basis of the marital status of that worker - Principle of equal treatment - Infringement.

Interprets