Leyton Orient and Mansfield have been charged by the FA after a confrontation towards the end of last Saturday's goalless draw.
Stags midfielder Tyrese Sinclair was sent off in the 85th minute for violent conduct after a melee involving both sets of players.
FA Spokesperson on Twitter posted: "Leyton Orient FC and Mansfield Town FC have been charged with a breach of FA Rule E20.1 following their EFL League Two fixture on Saturday (25/09/21).
"It is alleged that both clubs failed to ensure their players conducted themselves in an orderly fashion and/or refrained from provocative behaviour during the 84th minute.
"Leyton Orient FC and Mansfield Town FC have until Friday (01/10/21) to provide their respective responses."