これのことです。
http://www.state.nj.us/lps/sacb/docs/martial.html
”13:46-24A.11 Round length
(a) Each non-championship mixed martial arts contest shall be three rounds, of five minutes duration, with a one minute rest period between each round.
(b) Each championship mixed martial arts contest shall be five rounds, of five minutes duration, with a one minute rest period between each round.”