user: I need help with what to do if I want to appeal a claim decision?[NEWLINE]agent: Did you receive a Board's decision that you disagree with?[NEWLINE]user: yes I want to appeal[NEWLINE]agent: Okay, you can appeal to the U.S. Court of Appeals for Veterans Claims. You can hire an attorney to represent you, or you can represent yourself.[NEWLINE][BOUNDARY][NEWLINE]user: Do I appeal it all or do I have to state what parts I want to appeal?[NEWLINE]agent: You can include all or just some of the issues VA has decided. You will need to list the issue you disagree with and the VA decision date for each[NEWLINE][BOUNDARY][NEWLINE]user: I believe I missed the deadline in submitting my appeal due to VA's mistake. What evidence do I need to back up my claim?[NEWLINE]agent: To prove a CUE error, you must show the correct facts and be able to prove that the VA incorrectly applied the law at that time.[NEWLINE][BOUNDARY][NEWLINE]user: Can the VA help me to gather all the right evidence?[NEWLINE]agent: Yes, they are required to help you if you need it on your claim.[NEWLINE]user: Do they have to help with me a supplemental claim too?