IFAB: three protocols to be tested in lower divisions; no mention of "blue cards"

At IFAB's 138th Annual General Meeting, hosted by the Scottish Football Association (SFA) in Loch Lomond (SCO) on 02/03/2024, "detailed protocols for three trials in domestic competitions below the top two tiers aimed at improving participant behaviour were approved, namely: 
1 - Only a team's captain being able to approach the referee in...