[Failure to relinquish telephone party line for emergency

call.] It is unlawful for any person: A. wilfully [willfully] to refuse to yield, or wilfully [willfully] to impede, the use of a telephone party line in time of emergency, by which he is not affected and of which he has been apprised, when he has been requested so to yield; or B. to request another to yield the use of a telephone party line because of an emergency, which in fact does not exist.