The FA regulatory commission which heard the case took into account Holloway's two-match touchline ban for improper conduct towards a match official at Blackpool's FA Cup third-round match against Ipswich in January.
"Referees, should they so wish, have the opportunity to conduct post-match media interviews, after 30 minutes' 'cool-down' time, to clarify any point of law, " said a spokesman for PGMO, the body responsible for top referees.