Who may join an administrative appeal, and until what moment in the procedure is joining still open?
General information · Not legal advice
Material to check
For this exercise, the papers to read are the appeal application that defines the case, any document showing the would-be participant's dealings with the disputed matter, and the committee's own record of whether a resolution of the committee or sub-committee on that appeal has already been made.
These are types of material to look for, not evidence already verified by PRO SE.
Where readings differ
One reading limits intervention to two kinds of actor: a third party with an interest in the outcome of the appeal, or an administrative agency, and only up to the point at which the committee or sub-committee resolves the appeal application, so once that resolution is made the door to joining closes.
Another reading stresses that the provision never defines how strong an interest in the result is required, and that it speaks of any administrative agency rather than only the agency that responded to the appeal, so both questions must be answered from the case material rather than from this text.
Your judgment
If a person asks to join after the resolution, how could the file show whether that resolution had already been made?
PRO SE does not make this decision or keep a case record on this public site.When to reconsider
We look at this again if the provision is amended to change who may join or to move the moment after which joining is barred, or if a court decision clarifies the degree of interest required for a third party to join.