When a Mine is in Development, Parties to that Development may specify in a comment on that Development Story Post their Next Dig Actions. The Next Dig Actions should be a possibly empty list of Dig Actions, each together with all necessary specifications to perform that Dig Action. The Next Dig Actions of a Party for a Development default to an empty list, and will be the Next Dig Actions as specified in the last comment on that Development specifying Next Dig Actions, either by themselves or by a Performing Party about a Dig Action performed on their behalf as specified in this subrule.