SCMS was also included in consumer CD-R, MiniDisc and Digital Compact Cassette (DCC) players and recorders. With the demise of these formats, SCMS is not in widespread use. However, the concept of SCMS was resurrected in the broadcast flag, a measure (and now defunct) mandated by the Federal Communications Commission (FCC) to limit the copying of digital TV signals. SCMS flags are also included in the MP3 specifications, though no known decoder or player honors them. Personal Computers were not required to include SCMS in the US.