At its Annual Business Meeting (ABM) held in London on Tuesday, IFAB focused on measures to improve participant behaviour in football and increase respect for match officials; it was agreed sin bins for dissent and specific tactical offences should be trialled at higher levels
Basically. It’s an idea taken from rugby where after a player gets a yellow card they get sent to the ‘sin bin’ for like 8-10 minutes. It a lot like the penalty box in ice hockey.