An almost unknown rule for arbitration error

The rules of golf often change, and it must be acknowledged that this one (a bit specific) had completely escaped our attention... It concerns a decision applied last week on the DP World Tour that may interest golfers worldwide because it offers the opportunity to rectify a mistake and "recover" a shot. Did you know that an official's decision on the course can be retroactively changed by another official if it's incorrect? This is what happened to the Spanish golfer Ivan Cantero, and this inci