Ok, you might want to check with Kett, now I'm told,
"Unfortunately, that's going to be a problem. Per the NOR, your entry cannot be accepted without a GYA-MC sanctioned PHRF rating. The best I can do is direct you to the GYA-MC to see what you can get worked out. Here is the link to the GYA.org site:
http://www.gya.org/?page_id=15. There is a PHRF certificate application there with contact information.
A Portsmouth division is not out of the question for future events, but it will require more advance notice and enough participation to justify it."