This is a draft template I am working on. You can find it live at AIV Notice.
What is currently looks like without any arguments edit
Due to your persistent
vandalism of Wikipedia,
even after your final warning,
you have been referred for Administrator Intervention against Vandalism (AIV).
A Wikipedia Administrator will now determine if your actions will result
in a temporary or permanent block from Wikipedia.
What is currently looks like when provided the "reason" argument edit
Due to your persistent
Reason for warning,
even after your final warning,
you have been referred for Administrator Intervention against Vandalism (AIV).
A Wikipedia Administrator will now determine if your actions will result
in a temporary or permanent block from Wikipedia.
What it currently looks like when provided the "article" argument edit
Due to your persistent
vandalism of Wikipedia,
including your contributions to Article name,
you have been referred for Administrator Intervention against Vandalism (AIV).
A Wikipedia Administrator will now determine if your actions will result
in a temporary or permanent block from Wikipedia.
What it currently looks like when provided both the "reason" and "article" arguments edit
Due to your persistent
Reason for warning,
including your contributions to Article name,
you have been referred for Administrator Intervention against Vandalism (AIV).
A Wikipedia Administrator will now determine if your actions will result
in a temporary or permanent block from Wikipedia.