… Each of those
periods
, during which the fire-fighter must be present at the fire station, is made up of a time on active service and time on stand-by which may be
interrupted
by operational duties.
23 By letter of 13 December 2006, Mr Fuß, citing the order of the Court in Case C-52/04 Personalrat der Feuerwehr Hamburg [2005] ECR I-7111, requested that, in future, his weekly working time should no longer exceed the maximum average
limit
of 48 hours laid down in Article 6(b) of Directive 2003/88. …
… In the absence of relevant European Union law provisions, it is for the national law of the Member State concerned to determine, while ensuring observance of the
principles
of
equivalence
and
effectiveness
, first, whether reparation for the loss or damage suffered by a worker such as Mr Fuß in the main proceedings, as a result of the breach of a rule of European Union law, should take the form of additional time off in lieu or financial compensation for the worker and, second, the rules concerning …
… In the absence of relevant EU law provisions, it is for the national law of the Member State concerned to determine, while ensuring observance of the
principles
of
equivalence
and
effectiveness
, first, whether reparation for the loss or damage suffered by a worker such as Mr Fuß in the main proceedings, as a result of the breach of a rule of EU law, should take the form of additional time off in lieu or financial compensation for the worker and, second, the rules concerning the method of calculation …