According to some of the websites and fora, that part is somewhat obscure. There are claims made that if you don't actually view broadcasts , no fee is applicable .. and with TVs being used as computer monitors.This part is the same in the UK, but TV's in second properties also have to have a licence.
The only exception is a full time student in residence away from home who can enjoy the cover of the licence in their family's home for their own TV.
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Incidentally the worst TV licence defaulters were Northern Ireland . There was no chance that a Post Office inspector would go door to door, .. it would have been a real death sentence.