<p>That should work basically as long as your file has been put in the system and a PIN has been assigned to you.
However, 10 days is nothing to worry about. Realize that the office is probably swamped with paperwork and the mail system does take some time.</p>
<p>Also realize that the PIN doesn’t actually allow you to do that much… not much more than just updating ur contact info and seeing if they have everything for your file. All stuff you could probably do anyway with a phone call to the admissions office.</p>