a) being situated on the sea coast; the centre is in principle no more than two kilometres from the coast line,
b) scientifically recognised and experientially proven, therapeutically applicable climate and a corresponding air quality, which are monitored,
c) at least one spa doctor’s practice,
d) facilities for the provision and application of spa treatments,
e) proper bathing water quality at a well-kept and guarded beach, which is monitored,
f) beach promenades, parks as well as beach or countryside paths sufficiently undisturbed by traffic, opportunities for games and sport.
g) dietary advice during the spa time; the employment of at least one dietician in hospitals and dietary cuisine.
h) communication and information facility.