NM is very accommodating... I'm sure they will take care of you.
Clothing doesnt have an expiration date so. Of course it can be altered ;-) but if your question this: can you still have a complimentary alteration to your dress after 2 years has passed? Probably not. BUT You probably should contact the dress shop or alteration s department. The website says alterations should be made within 30 days of receipt date. https://www.neimanmarcus.com/c/cat62670739?icid=jp_NMServices_101018
Of course yes
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