You must also fill out and submit an entry form when paying online by credit card. There are two versions; 
ONE YOU CAN PRINT AND COMPLETE BY HAND
and
ONE YOU CAN COMPLETE ON YOUR COMPUTER AND PRINT.
If you have a full version of Acrobat, you can save a copy as well.  Once completed, please mail with your check to:
TASO State Meeting
c/o James Gibson
2505 Jacaranda Dr
Harlingen, TX 78550