how to maintain PR if I go outside US for a job

Do i need to follow a process to maintain Permanent residency if I work in another country ? I plan to file US income tax just as I am still working in US. Is that good enough ? Thanks,

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Your passport will show the Customs stamp by another country -newfei2008- 給 newfei2008 發送悄悄話 (33 bytes) () 01/02/2007 postreply 14:41:39

How about use two passports -2centsCom- 給 2centsCom 發送悄悄話 (149 bytes) () 01/03/2007 postreply 08:47:55

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