Well, since conflicts of interest have been raised, it does not make sense for the PD to be able to represent him/herself in a CC. While it is true the PD could easily prepare the defense, the court is also responsible for ruling on guilt/innocence in the case of ties, and for breaking ties on sentencing polls. Clearly being able to take such actions on the case against oneself is a conflict of interest.
On the subject of anonymous CC's, my interpretation would be that if an anonymous CC is allowed to be filed, then the provision cited takes effect -- but the wording does not explicitly say that an anonymous CC must be allowed. I think this leaves the matter up to the court to decide on a term by term basis, unless someone uses a legal procedure to force a decision which makes precedent.
On the subject of anonymous CC's, my interpretation would be that if an anonymous CC is allowed to be filed, then the provision cited takes effect -- but the wording does not explicitly say that an anonymous CC must be allowed. I think this leaves the matter up to the court to decide on a term by term basis, unless someone uses a legal procedure to force a decision which makes precedent.