after submit 485, when can I leave USA?

I understand I must be physical in USA when I submit 485, after submiiting when I can travel to other country?

1.I can leave USA after I get receipt.
2.Or I can leave after the document delievered to USCIS.
3. Or I can leave after I post the document at Fedex location
4. Others?

所有跟帖： 

• My lawyer said I can travel after I-485 is received by USCIS -IKA- ♂ (102 bytes) () 07/19/2007 postreply 18:04:03

• please go back one page only -gc2020- ♂ (0 bytes) () 07/19/2007 postreply 18:21:44

• Thank you both -infoshare- ♀ (0 bytes) () 07/19/2007 postreply 18:41:29