I think that it's hard to find real infos from other countries - but maybe you're familiar with the law of your own country. Please don't hesitate to publicate it! In this way we may help to avoid fines some of us. I suppose that you should make your comments bold if you're absolutely sure that your info is real.
Owning detectors/jammers: legal
Using radar/laser detectors: legal
Using laser jammers: legal
Using radar jammers: forbidden
Owning&using detectors/jammers are forbidden.
Please help each other with correct info!