enaid1026 said:
HI Experts,
What docments/ letter need to attached to LOE?
Thanks!
As Istari mentioned, it is not a mandatory document, you can submit one when you need to explain something to the case officer, so that he assesses your file in light of what you have explained.
Check this thread for more information http://www.canadavisa.com/canada-immigration-discussion-board/letter-of-explanation-samples-its-discussion-related-thread-t411170.0.html