go he http://aes.faa.gov/

Search for Exemption/Docket "4988"

and you will find 4988H with an expiration date of 10/30/2011 (next
year)

and if you read it, yes, you are still required to carry it in your
glider, along with the original 4988 document.

You can click on the document grid then click download on the left to
get your own personal copy, suitable for framing.