I signed up for the AMA on March 9th, 2003 and received this e-mail;

Name: Mark ***********
Address: ****************
Las Vegas, NV *****
Application Type: New

This notice is to confirm that your application has been received
and will be processed in a timely fashion.

The Academy of Model Aeronautics, Inc. has temporarily discontinued
"instant memberships" and "temporary or 30 day memberships".
Memberships will become valid when payment has cleared.

I will let you know when I receive my card.