how long ususally you get receipt notice for AP Applicaiton

I submitted my AP on June 6,06 vis certificted mail. I neither receive return mail notice, nor my check was withdrawn,
Does anybody know how long shall i expect to receive receipt notice for my AP application?
thanks

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• You should get it in 20 days -laoyanhunhua- ♀ (0 bytes) () 06/19/2006 postreply 13:29:01

• thank you for the reply! -AutumnSky- ♀ (0 bytes) () 06/19/2006 postreply 13:29:53