It may well be similar to the situation in the UK, where - while it is not really within the terms of a licence for (for example) unlicensed 446MHz radios, no-one is going to do anything about it.
In the US the FCC will go after you for running half a watt over your power limit. In the UK, Ofcom literally cannot be paid to take an interest on what happens on amateur or ISM bands, and will only get involved if you're making a nuisance of yourself on commercially licensed frequencies.
In the US the FCC will go after you for running half a watt over your power limit. In the UK, Ofcom literally cannot be paid to take an interest on what happens on amateur or ISM bands, and will only get involved if you're making a nuisance of yourself on commercially licensed frequencies.