As from 8 December 2021 and until further notice, all players should use the following local rule.
Local Rule wording:
When a player’s ball lies anywhere in the general area (excludes Bunkers and Penalty areas), the ball may be lifted, cleaned and replaced without penalty. The player must mark the spot before lifting the ball (see Rule 14.1) and the ball must be replaced on its original spot (see Rule 14.2).
Just to be clear this is not the same as the local rule for "Preferred Lies" which remains in place for closely mown areas. The two differences are: