http://ozreport.com/2014BigSpringNationals.php

Now that June is here, this is a reminder to let you know you only have a few
days to get your entry fee to us and received by us.

Pilot entry fee and full on-line registration must be received by us in the following amounts given the dates
below:

We look forward to having you at the Big Spring Nationals and
having the resources to make sure that you have a great time towing and flying.