T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

1. AThe FCC maintains a list of words that are not permitted to be used on amateur frequencies
2. BAny such language is prohibited
3. CThe International Telecommunications Union (ITU) maintains a list of words that are not permitted to be used on amateur frequencies
4. DThere is no such prohibition

Pick an answer to check it.