I interviewed yesterday as a result of one of their "non-automatic invites," without my committee letter being started, let alone received by them. One of the presentations was from one of the higher ups in the admissions office. She was talking about how the process went after your interview and told us:
"When your interviewers submit their evaluations, your status is changed in our system to 'complete.' Well, sometimes we have to wait for the rest of the application to come in, but regardless, once everything is in, your status is changed to 'complete'..."