Please make sure you've registered using the
JOIN OR RENEW page first! 
(this is step 2, after you've filled out your registration or renewal forms)

Use this page to submit your payment online instead of sending a check.  Choose your payment amount and click the "buy now" button.

$1.75 will be added as a credit card fee. (will show up as 'shipping')  You may pay by check to avoid this fee.